Brickonomics | HYDRO DYNAMICS Challenge Kit (45804-1)

HYDRO DYNAMICS Challenge Kit (45804-1)

LEGO set 45804-1 HYDRO DYNAMICS Challenge Kit - Image 1

Price Comparison

No retailers currently stock HYDRO DYNAMICS Challenge Kit in The United States.

Set details

Name: HYDRO DYNAMICS Challenge Kit
Set number: 45804-1
Year: 2017
Theme: FIRST LEGO League
Number of parts: 2052
Number of part types: 372

Browse all 2052 parts in set 45804-1 with individual pricing from BrickLink or Brick Owl.

Price source:

Value of parts: $303.27
Pricing information known of 370/372 parts.

Part

Color

Quantity

Average price

Total

Value

Technic Panel Curved 11 x 3 with 2 Pin Holes through Panel Surface

Yellow

$3.33

$13.30

4 x $3.33

$13.30

Cylinder Half 2 x 4 x 4

Trans-Light Blue

$1.15

$11.49

10 x $1.15

$11.49

Technic Panel 5 x 11 x 1

Green

$1.81

$10.87

6 x $1.81

$10.87

Panel 4 x 4 x 6 Quarter Cylinder

White

$1.65

$6.60

4 x $1.65

$6.60

Plate 4 x 10

White

$0.97

$5.84

6 x $0.97

$5.84

Technic Panel Curved 11 x 3 with 10 Pin Holes through Panel Surface

Medium Azure

$0.97

$5.84

6 x $0.97

$5.84

Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick

Light Bluish Gray

$1.16

$5.81

5 x $1.16

$5.81

Technic Panel 3 x 11 x 1

Green

$0.96

$5.76

6 x $0.96

$5.76

Technic Panel 5 x 11 x 1

Light Bluish Gray

$2.39

$4.79

2 x $2.39

$4.79

Plate 8 x 16

Dark Bluish Gray

$2.37

$4.73

2 x $2.37

$4.73

Technic Panel 3 x 11 x 1

Dark Bluish Gray

$0.66

$4.64

7 x $0.66

$4.64

Technic Panel Curved 11 x 3 with 10 Pin Holes through Panel Surface

Black

$1.10

$4.38

4 x $1.10

$4.38

Technic Pin with Friction Ridges Lengthwise and Center Slots

Black

158

$0.03

$4.27

158 x $0.03

$4.27

Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs

Light Bluish Gray

$0.18

$4.22

24 x $0.18

$4.22

Technic Axle 12

Black

$0.38

$3.79

10 x $0.38

$3.79

Brick Round 4 x 4 with 4 Side Pin Holes and Center Axle Hole

Light Bluish Gray

$1.85

$3.70

2 x $1.85

$3.70

Technic Beam 1 x 15 Thick

Light Bluish Gray

$0.58

$3.49

6 x $0.58

$3.49

Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin

Dark Bluish Gray

$0.42

$3.35

8 x $0.42

$3.35

Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]

White

$0.07

$3.24

48 x $0.07

$3.24

Technic Beam 1 x 11 Thick

White

$0.23

$3.22

14 x $0.23

$3.22

Plate Round 4 x 4 with 2 x 2 Round Opening

Bright Light Orange

$0.27

$2.97

11 x $0.27

$2.97

Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots

Blue

104

$0.03

$2.81

104 x $0.03

$2.81

Plate Round Corner 4 x 4

White

$0.18

$2.81

16 x $0.18

$2.81

Plate Round 4 x 4 with 2 x 2 Round Opening

Trans-Clear

$0.22

$2.81

13 x $0.22

$2.81

Technic Beam 5 x 11 with 3 x 5 Opening Frame Thick

Light Bluish Gray

$1.39

$2.79

2 x $1.39

$2.79

Technic Universal Joint 3L [Complete Assembly]

Light Bluish Gray

$0.45

$2.68

6 x $0.45

$2.68

Tile Round 2 x 2 with Hole

Light Bluish Gray

$0.15

$2.68

18 x $0.15

$2.68

Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs

Medium Azure

$0.12

$2.68

22 x $0.12

$2.68

Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise

Light Bluish Gray

$0.22

$2.60

12 x $0.22

$2.60

Plate 2 x 8

White

$0.24

$2.43

10 x $0.24

$2.43

Brick 1 x 16

Light Bluish Gray

$0.59

$2.38

4 x $0.59

$2.38

Tile 1 x 2 with Black Diagonal Stripes, Large Yellow Corner Triangles Print

Yellow

$0.39

$2.35

6 x $0.39

$2.35

Plate 1 x 12

Light Bluish Gray

$0.28

$2.27

8 x $0.28

$2.27

Technic Beam 1 x 11 Thick

Dark Bluish Gray

$0.19

$2.27

12 x $0.19

$2.27

Brick 1 x 2

White

$0.08

$2.27

28 x $0.08

$2.27

Slope 30° 1 x 2 x 2/3

Light Bluish Gray

$0.12

$2.19

18 x $0.12

$2.19

Brick Round 2 x 2 with Axle Hole

Trans-Clear

$0.16

$2.11

13 x $0.16

$2.11

Tile 1 x 6 with Groove

Light Bluish Gray

$0.19

$2.08

11 x $0.19

$2.08

Plate 2 x 8

Light Bluish Gray

$0.20

$2.03

10 x $0.20

$2.03

Brick 1 x 12

Light Bluish Gray

$0.32

$1.95

6 x $0.32

$1.95

Plate 1 x 3

Dark Bluish Gray

$0.09

$1.89

20 x $0.09

$1.89

Brick 1 x 8

Dark Bluish Gray

$0.31

$1.87

6 x $0.31

$1.87

Technic Beam 1 x 15 Thick

Dark Bluish Gray

$0.46

$1.84

4 x $0.46

$1.84

Technic Beam 1 x 2 Thick

Light Bluish Gray

$0.16

$1.78

11 x $0.16

$1.78

Brick Round 4 x 4 Centre Hole

Reddish Brown

$1.78

$1.78

1 x $1.78

$1.78

Technic Link Tread Wide with Two Pin Holes, Reinforced

Medium Nougat

$0.15

$1.78

12 x $0.15

$1.78

Plate 1 x 3

Light Bluish Gray

$0.08

$1.78

22 x $0.08

$1.78

Plate Round Corners 2 x 6 Double

Light Bluish Gray

$0.08

$1.70

21 x $0.08

$1.70

Technic Gear 40 Tooth

Light Bluish Gray

$1.69

$1.69

1 x $1.69

$1.69

Brick 1 x 4

Dark Bluish Gray

$0.20

$1.62

8 x $0.20

$1.62

Technic Beam 1 x 9 Thick

Dark Bluish Gray

$0.14

$1.62

12 x $0.14

$1.62

Technic Gear 36 Tooth Double Bevel

Black

$1.55

$1.55

1 x $1.55

$1.55

Technic Beam 1 x 9 Thick

Light Bluish Gray

$0.38

$1.51

4 x $0.38

$1.51

Plate 1 x 10

White

$0.16

$1.46

9 x $0.16

$1.46

Plate 6 x 12

Dark Bluish Gray

$1.31

$1.31

1 x $1.31

$1.31

Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]

Yellow

$0.05

$1.30

24 x $0.05

$1.30

Technic Beam 1 x 9 Thick

Blue

$0.32

$1.30

4 x $0.32

$1.30

String Reel 2 x 4 x 2 Drum

Black

$1.26

$1.26

1 x $1.26

$1.26

Technic Panel Fairing #1 Small Smooth Short, Side A

Dark Purple

$0.31

$1.24

4 x $0.31

$1.24

Plate 1 x 8

Light Bluish Gray

$0.18

$1.23

7 x $0.18

$1.23

Tile 2 x 4 with Groove

Dark Bluish Gray

$0.24

$1.22

5 x $0.24

$1.22

Plate 1 x 4

White

$0.08

$1.22

15 x $0.08

$1.22

Plate Round Half 4 x 8

Dark Bluish Gray

$0.12

$1.22

10 x $0.12

$1.22

Slope Curved 4 x 1 Double with No Studs

Light Bluish Gray

$0.15

$1.19

8 x $0.15

$1.19

Plate 8 x 8

Dark Bluish Gray

$1.18

$1.18

1 x $1.18

$1.18

Brick 1 x 4

Medium Azure

$0.07

$1.15

17 x $0.07

$1.15

Plate 1 x 8

Dark Bluish Gray

$0.19

$1.14

6 x $0.19

$1.14

Tile Special 1 x 2 Grille with Bottom Groove

Light Bluish Gray

$0.04

$1.14

28 x $0.04

$1.14

Brick Arch 1 x 3 x 2 Curved Top

Light Bluish Gray

$0.27

$1.08

4 x $0.27

$1.08

Tile 1 x 8 with Groove

Light Bluish Gray

$0.22

$1.08

5 x $0.22

$1.08

Technic Axle 9

Light Bluish Gray

$0.18

$1.05

6 x $0.18

$1.05

Brick 1 x 8

Light Bluish Gray

$0.34

$1.01

3 x $0.34

$1.01

Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs

Medium Nougat

$0.12

$0.97

8 x $0.12

$0.97

Brick 1 x 6

Medium Azure

$0.09

$0.95

10 x $0.09

$0.95

Technic Pin Connector Round [Slotted]

Light Bluish Gray

$0.14

$0.95

7 x $0.14

$0.95

Plate 2 x 10

Light Bluish Gray

$0.19

$0.95

5 x $0.19

$0.95

Brick Arch 1 x 6 x 2 Curved Top

Light Bluish Gray

$0.31

$0.93

3 x $0.31

$0.93

Slope 65° 2 x 1 x 2

Dark Bluish Gray

$0.23

$0.92

4 x $0.23

$0.92

Brick Arch 1 x 6 x 2 - Thin Top without Reinforced Underside [New Version]

Light Bluish Gray

$0.45

$0.89

2 x $0.45

$0.89

Technic Axle 7

Light Bluish Gray

$0.07

$0.88

13 x $0.07

$0.88

Technic Beam 2 x 4 L-Shape Thick

Dark Bluish Gray

$0.05

$0.87

16 x $0.05

$0.87

Tile 2 x 2 Curved, Macaroni

Light Bluish Gray

$0.11

$0.87

8 x $0.11

$0.87

Hose, Ribbed 7mm D. 18L / 14.4cm

Flat Silver

$0.42

$0.84

2 x $0.42

$0.84

Tile 1 x 3

Yellow

$0.16

$0.81

5 x $0.16

$0.81

Tile Round 1 x 1 Half Circle

Light Bluish Gray

$0.07

$0.81

12 x $0.07

$0.81

Brick Round 4 x 4 Centre Hole

Red

$0.14

$0.81

6 x $0.14

$0.81

Technic Axle and Pin Connector Angled #6 - 90°

Black

$0.20

$0.81

4 x $0.20

$0.81

Plate 1 x 4

Dark Bluish Gray

$0.08

$0.81

10 x $0.08

$0.81

Technic Pin Connector Round [Slotted]

Yellow

$0.08

$0.81

10 x $0.08

$0.81

Plate 4 x 10

Tan

$0.39

$0.78

2 x $0.39

$0.78

Technic Beam 3 x 5 Thick [90° Offset Centre Beam Holes]

Light Bluish Gray

$0.39

$0.78

2 x $0.39

$0.78

Technic Axle and Pin Connector Angled #2 - 180°

Light Bluish Gray

$0.09

$0.76

8 x $0.09

$0.76

Technic Gear Rack 1 x 4

Light Bluish Gray

$0.38

$0.76

2 x $0.38

$0.76

Plate 2 x 3

White

$0.11

$0.76

7 x $0.11

$0.76

Slope 65° 2 x 2 x 2 with Bottom Tube

Dark Bluish Gray

$0.19

$0.76

4 x $0.19

$0.76

Technic Axle 12

Red

$0.37

$0.73

2 x $0.37

$0.73

Brick 1 x 2

Medium Azure

$0.05

$0.70

13 x $0.05

$0.70

Tile Round 2 x 2 with Bottom Stud Holder

Reddish Brown

$0.05

$0.70

13 x $0.05

$0.70

Plate 2 x 8

Dark Bluish Gray

$0.18

$0.70

4 x $0.18

$0.70

Plate 6 x 10

Light Bluish Gray

$0.69

$0.69

1 x $0.69

$0.69

Technic Beam 1 x 5 Thick

Dark Bluish Gray

$0.07

$0.68

10 x $0.07

$0.68

Technic Beam 1 x 3 Thick

Dark Bluish Gray

$0.07

$0.68

10 x $0.07

$0.68

Dish 4 x 4 Inverted [Radar]

Trans-Light Blue

$0.34

$0.68

2 x $0.34

$0.68

Brick Arch 1 x 6 x 2 Curved Top

White

$0.34

$0.68

2 x $0.34

$0.68

Technic Pin without Friction Ridges Lengthwise

Light Bluish Gray

$0.03

$0.65

24 x $0.03

$0.65

Plate 4 x 6

White

$0.32

$0.65

2 x $0.32

$0.65

Panel 1 x 6 x 5

White

$0.62

$0.62

1 x $0.62

$0.62

Brick Arch 1 x 6 x 2 - Thin Top without Reinforced Underside [New Version]

Dark Bluish Gray

$0.20

$0.61

3 x $0.20

$0.61

Plate Special 1 x 2 [Side Handle Closed Ends]

Light Bluish Gray

$0.07

$0.61

9 x $0.07

$0.61

Brick Curved 2 x 4 x 1 1/3

Light Bluish Gray

$0.61

$0.61

1 x $0.61

$0.61

Plate 2 x 6

Light Bluish Gray

$0.12

$0.61

5 x $0.12

$0.61

Tile Round 2 x 2 with Bottom Stud Holder

Medium Azure

$0.04

$0.61

15 x $0.04

$0.61

Plate 4 x 10

Dark Bluish Gray

$0.30

$0.59

2 x $0.30

$0.59

Tile 1 x 8 with Groove

Medium Azure

$0.15

$0.59

4 x $0.15

$0.59

Technic Brick 1 x 6 [5 Pin Holes]

Dark Bluish Gray

$0.15

$0.59

4 x $0.15

$0.59

Technic Beam 1 x 7 Thick

Light Bluish Gray

$0.15

$0.59

4 x $0.15

$0.59

Brick Arch 1 x 4

Light Bluish Gray

$0.09

$0.57

6 x $0.09

$0.57

Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening]

Tan

$0.28

$0.57

2 x $0.28

$0.57

Technic Gear Rack 1 x 7 with Axle and Pin Holes

Black

$0.28

$0.57

2 x $0.28

$0.57

Technic Plate 2 x 8 [7 Holes]

Light Bluish Gray

$0.28

$0.57

2 x $0.28

$0.57

Panel 1 x 6 x 5

Dark Bluish Gray

$0.57

$0.57

1 x $0.57

$0.57

Technic Axle 8

Black

$0.19

$0.57

3 x $0.19

$0.57

Tile 2 x 4 with Groove

Red

$0.19

$0.57

3 x $0.19

$0.57

Technic Plate 2 x 4 [3 Holes]

White

$0.08

$0.57

7 x $0.08

$0.57

Technic Beam 1 x 11 Thick

Black

$0.27

$0.54

2 x $0.27

$0.54

Brick 1 x 2

Dark Bluish Gray

$0.14

$0.54

4 x $0.14

$0.54

Brick Special 1 x 2 with Masonry Brick Profile

Dark Bluish Gray

$0.14

$0.54

4 x $0.14

$0.54

Brick 1 x 4

Red

$0.11

$0.54

5 x $0.11

$0.54

Plate 6 x 8

Light Bluish Gray

$0.53

$0.53

1 x $0.53

$0.53

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)

Light Bluish Gray

$0.04

$0.53

13 x $0.04

$0.53

Technic Axle Connector Smooth [with x Hole + Orientation]

Reddish Brown

$0.05

$0.49

9 x $0.05

$0.49

Plate Round 2 x 2 with Rounded Bottom [Boat Stud]

Trans-Light Blue

$0.05

$0.49

9 x $0.05

$0.49

Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly]

Yellow

$0.24

$0.49

2 x $0.24

$0.49

Technic Axle Connector Smooth [with x Hole + Orientation]

Dark Bluish Gray

$0.04

$0.49

12 x $0.04

$0.49

Brick Special 1 x 2 with 2 Studs on 1 Side

Light Bluish Gray

$0.12

$0.49

4 x $0.12

$0.49

Technic Brick 1 x 4 [3 Pin Holes]

Dark Bluish Gray

$0.12

$0.49

4 x $0.12

$0.49

Technic Axle Connector with Axle Hole

Light Bluish Gray

$0.08

$0.49

6 x $0.08

$0.49

Bracket 1 x 2 - 2 x 4

Light Bluish Gray

$0.08

$0.49

6 x $0.08

$0.49

Brick 1 x 2 without Bottom Tube

Trans-Clear

$0.12

$0.49

4 x $0.12

$0.49

Brick Special 1 x 2 with 2 Studs on 1 Side

White

$0.12

$0.49

4 x $0.12

$0.49

Technic Beam 1 x 2 Thin

Dark Bluish Gray

$0.09

$0.47

5 x $0.09

$0.47

Technic Brick 1 x 1 with Pin Hole

Light Bluish Gray

$0.07

$0.47

7 x $0.07

$0.47

Plate 1 x 2

Light Bluish Gray

$0.07

$0.47

7 x $0.07

$0.47

Plate 1 x 4

Red

$0.07

$0.47

7 x $0.07

$0.47

Technic Pin 1/2

Blue

$0.03

$0.46

17 x $0.03

$0.46

Brick 1 x 2 x 5 with Hollow Studs

Dark Bluish Gray

$0.23

$0.46

2 x $0.23

$0.46

Technic Tread Sprocket Wheel Small 6 Tooth

Black

$0.23

$0.46

2 x $0.23

$0.46

Brick 2 x 4

Dark Bluish Gray

$0.23

$0.46

2 x $0.23

$0.46

Technic Brick 1 x 8 [7 Pin Holes]

Light Bluish Gray

$0.23

$0.46

2 x $0.23

$0.46

Large Figure Weapon, Barrel with 2 Pin Holes and 3 Axle Holes

Light Bluish Gray

$0.15

$0.45

3 x $0.15

$0.45

Technic Bush

Light Bluish Gray

$0.04

$0.45

11 x $0.04

$0.45

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)

White

$0.04

$0.45

11 x $0.04

$0.45

Brick 1 x 1

Medium Azure

$0.04

$0.45

11 x $0.04

$0.45

Technic Brick 1 x 2 [1 Pin Hole]

Dark Bluish Gray

$0.05

$0.43

8 x $0.05

$0.43

Technic Pin Connector Plate with One Hole (Single on Bottom)

Black

$0.11

$0.43

4 x $0.11

$0.43

Plate Round 4 x 4 with Pin Hole

Light Bluish Gray

$0.11

$0.43

4 x $0.11

$0.43

Technic Axle Connector Hub with 3 Axles at 120°

Light Bluish Gray

$0.22

$0.43

2 x $0.22

$0.43

Brick Special 1 x 4 with Masonry Brick Profile

Medium Nougat

$0.22

$0.43

2 x $0.22

$0.43

Tyre 21 x 9.9

Black

$0.11

$0.43

4 x $0.11

$0.43

Technic Driving Ring Connector Smooth [4 rounded side walls]

Red

$0.11

$0.43

4 x $0.11

$0.43

Tile 1 x 2 with Groove

Dark Bluish Gray

$0.11

$0.43

4 x $0.11

$0.43

Brick Round 2 x 2 with Axle Hole

Light Bluish Gray

$0.11

$0.43

4 x $0.11

$0.43

Technic Axle Pin with Friction Ridges Lengthwise

Blue

$0.03

$0.41

15 x $0.03

$0.41

Technic Axle and Pin Connector Angled #5 - 112.5°

Light Bluish Gray

$0.14

$0.41

3 x $0.14

$0.41

Technic Beam 1 x 11 Thick

Light Bluish Gray

$0.41

$0.41

1 x $0.41

$0.41

Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]

Black

$0.04

$0.41

10 x $0.04

$0.41

Plate Round 6 x 6 with Hole

Medium Azure

$0.08

$0.41

5 x $0.08

$0.41

Technic Beam 1 x 5 Thick

White

$0.08

$0.41

5 x $0.08

$0.41

Plate Special 1 x 2 with Pin Hole Underneath

Light Bluish Gray

$0.04

$0.41

10 x $0.04

$0.41

Technic Axle Pin without Friction Ridges Lengthwise

Tan

$0.04

$0.41

10 x $0.04

$0.41

Tile Special 1 x 2 Grille with Bottom Groove

White

$0.04

$0.41

10 x $0.04

$0.41

Technic Beam 2 x 4 L-Shape Thick

Yellow

$0.05

$0.38

7 x $0.05

$0.38

Technic Axle 4 with Centre Stop

Tan

$0.05

$0.38

7 x $0.05

$0.38

Plate 1 x 2

White

$0.05

$0.38

7 x $0.05

$0.38

Technic Beam 1 x 3 Thick

Light Bluish Gray

$0.09

$0.38

4 x $0.09

$0.38

Plate 1 x 6

Dark Bluish Gray

$0.09

$0.38

4 x $0.09

$0.38

Technic Beam 1 x 7 Thick

White

$0.09

$0.38

4 x $0.09

$0.38

Wheel 14mm D. x 9.9mm with Centre Groove, Fake Bolts and 6 Spokes

Light Bluish Gray

$0.09

$0.38

4 x $0.09

$0.38

Tile Round 2 x 2 with Hole

Red

$0.09

$0.38

4 x $0.09

$0.38

Technic Beam 3 x 0.5 Liftarm with Boss and Pin Semi-Reduced

Light Bluish Gray

$0.09

$0.38

4 x $0.09

$0.38

Door 1 x 4 x 6 with 4 Panes and Stud Handle

White

$0.38

$0.38

1 x $0.38

$0.38

Vehicle Base 4 x 10 x 2 1/2 with Mudguards, Wheel Pins and 6 x 2 Centre Recess with 3 Holes, Red Wheel Holders

Red

$0.38

$0.38

1 x $0.38

$0.38

Technic Gear 16 Tooth Reinforced [New Style]

Light Bluish Gray

$0.19

$0.38

2 x $0.19

$0.38

Slope Curved 3 x 1 No Studs

Bright Green

$0.19

$0.38

2 x $0.19

$0.38

Windscreen 2 x 4 x 2 Vertical

Trans-Clear

$0.37

$0.37

1 x $0.37

$0.37

Plate Round 2 x 2 with Rounded Bottom [Boat Stud]

Light Bluish Gray

$0.04

$0.37

9 x $0.04

$0.37

Slope 33° 3 x 1

Dark Bluish Gray

$0.12

$0.37

3 x $0.12

$0.37

Technic Axle 4

Red

$0.04

$0.37

9 x $0.04

$0.37

Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle

Black

$0.04

$0.37

9 x $0.04

$0.37

Technic Link Tread Wide with Two Pin Holes, Reinforced

Dark Bluish Gray

$0.18

$0.35

2 x $0.18

$0.35

Technic Axle and Pin Connector Angled #3 - 157.5°

Medium Azure

$0.18

$0.35

2 x $0.18

$0.35

Technic Beam 1 x 7 Thick

Blue

$0.18

$0.35

2 x $0.18

$0.35

Brick 1 x 2 x 2 with Inside Stud Holder

White

$0.07

$0.34

5 x $0.07

$0.34

Wave / Flame Rounded Large with Marbled Trans-Yellow Pattern

Trans-Red

$0.16

$0.32

2 x $0.16

$0.32

Tile 2 x 2 with Groove

Light Bluish Gray

$0.16

$0.32

2 x $0.16

$0.32

Technic Axle and Pin Connector Perpendicular Double Split

Dark Bluish Gray

$0.16

$0.32

2 x $0.16

$0.32

Plate 2 x 16

Dark Bluish Gray

$0.32

$0.32

1 x $0.32

$0.32

Plate 2 x 4

Light Bluish Gray

$0.08

$0.32

4 x $0.08

$0.32

Technic Beam 1 x 3 Thick

Blue

$0.08

$0.32

4 x $0.08

$0.32

Technic Pin Connector Perpendicular Long

Light Bluish Gray

$0.08

$0.32

4 x $0.08

$0.32

Technic Axle Connector with Axle Hole

Black

$0.08

$0.32

4 x $0.08

$0.32

Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole

Black

$0.08

$0.32

4 x $0.08

$0.32

Plate Special 3 x 2 with Rounded End, Hole

Light Bluish Gray

$0.08

$0.32

4 x $0.08

$0.32

Tile 1 x 4 with Groove

White

$0.08

$0.32

4 x $0.08

$0.32

Technic Axle 2 Notched

Red

$0.03

$0.30

11 x $0.03

$0.30

Plate 2 x 6

White

$0.15

$0.30

2 x $0.15

$0.30

Technic Brick 1 x 6 [5 Pin Holes]

Yellow

$0.15

$0.30

2 x $0.15

$0.30

Technic Pin Connector Hub with 1 Axle

Light Bluish Gray

$0.09

$0.28

3 x $0.09

$0.28

Brick 2 x 6

Dark Bluish Gray

$0.28

$0.28

1 x $0.28

$0.28

Brick Round 2 x 2 with Axle Hole

Yellow

$0.05

$0.27

5 x $0.05

$0.27

Brick 1 x 2 x 2 with Inside Stud Holder

Dark Bluish Gray

$0.07

$0.27

4 x $0.07

$0.27

Technic Beam 1 x 7 Bent (4 - 4) Thick

Dark Bluish Gray

$0.14

$0.27

2 x $0.14

$0.27

Technic Axle and Pin Connector Angled #4 - 135°

Black

$0.14

$0.27

2 x $0.14

$0.27

Technic Link 1 x 6 without Stoppers

Dark Bluish Gray

$0.14

$0.27

2 x $0.14

$0.27

Windscreen 3 x 6 x 1 Curved with 2 Circular Stud Holders in Bottom

Trans-Light Blue

$0.14

$0.27

2 x $0.14

$0.27

Wedge 2 x 2 Facet

Light Bluish Gray

$0.07

$0.27

4 x $0.07

$0.27

Plate 1 x 2

Black

$0.07

$0.27

4 x $0.07

$0.27

Plate 4 x 6

Red

$0.26

$0.26

1 x $0.26

$0.26

Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced

Yellow

$0.03

$0.24

9 x $0.03

$0.24

Plate Round 6 x 6 with Hole

White

$0.24

$0.24

1 x $0.24

$0.24

Plate Special 1 x 8 with Door Rail

Light Bluish Gray

$0.24

$0.24

1 x $0.24

$0.24

Plate Round 1 x 1 with Solid Stud

Light Bluish Gray

$0.04

$0.24

6 x $0.04

$0.24

Tile Special 1 x 2 Grille with Bottom Groove

Dark Bluish Gray

$0.04

$0.24

6 x $0.04

$0.24

Technic Beam 1 x 5 Thick

Light Bluish Gray

$0.08

$0.24

3 x $0.08

$0.24

Brick Round 2 x 2, Pin Holes

Yellow

$0.08

$0.24

3 x $0.08

$0.24

Technic Axle 6

Black

$0.08

$0.24

3 x $0.08

$0.24

Technic Beam 3 x 5 L-Shape Thick

White

$0.12

$0.24

2 x $0.12

$0.24

Brick 2 x 2

Red

$0.08

$0.24

3 x $0.08

$0.24

Technic Gear 12 Tooth Double Bevel

Black

$0.08

$0.24

3 x $0.08

$0.24

Plate 2 x 10

White

$0.23

$0.23

1 x $0.23

$0.23

Cone 2 x 2 x 2, Open Stud

Yellow

$0.23

$0.23

1 x $0.23

$0.23

Brick Round 1 x 1 Open Stud

White

$0.05

$0.22

4 x $0.05

$0.22

Technic Brick 1 x 2 [2 Pin Holes]

Dark Bluish Gray

$0.05

$0.22

4 x $0.05

$0.22

Technic Axle and Pin Connector Angled #1

Yellow

$0.05

$0.22

4 x $0.05

$0.22

Technic Axle Connector Smooth [with x Hole + Orientation]

Light Bluish Gray

$0.05

$0.22

4 x $0.05

$0.22

Technic Axle 3

Light Bluish Gray

$0.03

$0.22

8 x $0.03

$0.22

Tile Round 2 x 2 with Bottom Stud Holder

Yellow

$0.05

$0.22

4 x $0.05

$0.22

Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced

Light Bluish Gray

$0.03

$0.22

8 x $0.03

$0.22

String Reel 2 x 4 x 2 Holder With Open Studs

Red

$0.22

$0.22

1 x $0.22

$0.22

Brick 1 x 4

Yellow

$0.11

$0.22

2 x $0.11

$0.22

Brick Curved 2 x 4 x 1 1/3

Red

$0.22

$0.22

1 x $0.22

$0.22

Plate 1 x 6

Red

$0.11

$0.22

2 x $0.11

$0.22

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

White

$0.07

$0.20

3 x $0.07

$0.20

Technic Pin Connector Round [Slotted]

Pearl Gold

$0.20

$0.20

1 x $0.20

$0.20

Brick Round 1 x 1 Open Stud

Light Bluish Gray

$0.07

$0.20

3 x $0.07

$0.20

Technic Axle Connector with Axle Hole

Yellow

$0.07

$0.20

3 x $0.07

$0.20

Door Frame 1 x 4 x 6 Type 2

Black

$0.20

$0.20

1 x $0.20

$0.20

Bar 1 x 3 [Clip / Anti-Stud]

Black

$0.20

$0.20

1 x $0.20

$0.20

Equipment Camera with Side Sight [aka Space Gun]

Black

$0.20

$0.20

1 x $0.20

$0.20

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)

Black

$0.04

$0.20

5 x $0.04

$0.20

Brick Special 1 x 2 with 2 Pins, Round Pin Holes

Light Bluish Gray

$0.04

$0.20

5 x $0.04

$0.20

Technic Axle 4

Black

$0.04

$0.20

5 x $0.04

$0.20

Technic Pin with Friction Ridges Lengthwise and Towball

Black

$0.04

$0.20

5 x $0.04

$0.20

Brick 1 x 2

Bright Light Orange

$0.04

$0.20

5 x $0.04

$0.20

Bracket 1 x 2 - 2 x 2

Yellow

$0.09

$0.19

2 x $0.09

$0.19

Plate 1 x 4

Light Bluish Gray

$0.09

$0.19

2 x $0.09

$0.19

Plate Special 1 x 2 with Pin Hole on Top

Red

$0.09

$0.19

2 x $0.09

$0.19

Technic Beam 1 x 7 Thick

Yellow

$0.09

$0.19

2 x $0.09

$0.19

Technic Brick 1 x 2 [2 Pin Holes]

White

$0.09

$0.19

2 x $0.09

$0.19

Technic Knob Wheel

Black

$0.09

$0.19

2 x $0.09

$0.19

Brick 2 x 4

Black

$0.19

$0.19

1 x $0.19

$0.19

Tile 2 x 2 Corner

Red

$0.19

$0.19

1 x $0.19

$0.19

Tile 2 x 4 with Groove

White

$0.18

$0.18

1 x $0.18

$0.18

Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side

Light Bluish Gray

$0.18

$0.18

1 x $0.18

$0.18

Technic Axle 8 with Stop

Dark Bluish Gray

$0.05

$0.16

3 x $0.05

$0.16

Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]

Light Bluish Gray

$0.03

$0.16

6 x $0.03

$0.16

Plate Round 1 x 1 with Solid Stud

White

$0.03

$0.16

6 x $0.03

$0.16

Technic Axle 5

Yellow

$0.03

$0.16

6 x $0.03

$0.16

Technic Beam 1 x 3 Thick

Yellow

$0.05

$0.16

3 x $0.05

$0.16

Plate 2 x 2

Light Bluish Gray

$0.05

$0.16

3 x $0.05

$0.16

Animal, Frog

Pearl Gold

$0.16

$0.16

1 x $0.16

$0.16

Brick 2 x 4

Medium Nougat

$0.16

$0.16

1 x $0.16

$0.16

Slope Curved 2 x 2 with Lip, No Studs

Trans-Light Blue

$0.08

$0.16

2 x $0.08

$0.16

Plate Round 1 x 1 with Solid Stud

Black

$0.04

$0.16

4 x $0.04

$0.16

Tile 1 x 1 with Groove

Light Bluish Gray

$0.08

$0.16

2 x $0.08

$0.16

Technic Axle 6

Red

$0.08

$0.16

2 x $0.08

$0.16

Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin

Dark Bluish Gray

$0.04

$0.16

4 x $0.04

$0.16

Plate 1 x 1

Trans-Orange

$0.04

$0.16

4 x $0.04

$0.16

Technic Gear 12 Tooth Bevel

Tan

$0.08

$0.16

2 x $0.08

$0.16

Technic Pin Connector Hub Perpendicular 3L with 4 Pins

Light Bluish Gray

$0.08

$0.16

2 x $0.08

$0.16

Plate Round 2 x 2 with Rounded Bottom [Boat Stud]

Black

$0.04

$0.16

4 x $0.04

$0.16

Brick 1 x 4

White

$0.15

$0.15

1 x $0.15

$0.15

Technic Axle 3

Yellow

$0.03

$0.14

5 x $0.03

$0.14

Bracket 1 x 2 - 2 x 2

Light Bluish Gray

$0.07

$0.14

2 x $0.07

$0.14

Bracket 1 x 2 - 2 x 2 Inverted

Light Bluish Gray

$0.07

$0.14

2 x $0.07

$0.14

Bracket 1 x 2 - 2 x 2 Inverted

Black

$0.07

$0.14

2 x $0.07

$0.14

Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)

Dark Bluish Gray

$0.07

$0.14

2 x $0.07

$0.14

Technic Pin Connector Round 1L [Beam]

Light Bluish Gray

$0.07

$0.14

2 x $0.07

$0.14

Brick Arch 1 x 6 Raised Arch

Light Bluish Gray

$0.07

$0.14

2 x $0.07

$0.14

Technic Axle 9

Yellow

$0.14

$0.14

1 x $0.14

$0.14

Brick Special 1 x 4 with 4 Studs on One Side

Light Bluish Gray

$0.14

$0.14

1 x $0.14

$0.14

Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole

Black

$0.07

$0.14

2 x $0.07

$0.14

Brick and Axle Separator v2.0

Orange

$0.14

$0.14

1 x $0.14

$0.14

Technic Pin Connector Round [Slotted]

Bright Green

$0.14

$0.14

1 x $0.14

$0.14

Bracket 1 x 2 - 2 x 2

White

$0.07

$0.14

2 x $0.07

$0.14

Technic Axle and Pin Connector Angled #3 - 157.5°

Light Bluish Gray

$0.14

$0.14

1 x $0.14

$0.14

Technic Beam 1 x 3 Thick

White

$0.07

$0.14

2 x $0.07

$0.14

Tile 1 x 2 with Groove

Red

$0.07

$0.14

2 x $0.07

$0.14

Technic Axle and Pin Connector Angled #1

Black

$0.07

$0.14

2 x $0.07

$0.14

Dish 4 x 4 Inverted [Radar]

White

$0.14

$0.14

1 x $0.14

$0.14

Tile 1 x 4 with Groove

Red

$0.12

$0.12

1 x $0.12

$0.12

Plate Round 1 x 1 with Solid Stud

Medium Azure

$0.04

$0.12

3 x $0.04

$0.12

Technic Pin Long without Friction Ridges

Tan

$0.04

$0.12

3 x $0.04

$0.12

Technic Axle 5

Light Bluish Gray

$0.04

$0.12

3 x $0.04

$0.12

Technic Axle and Pin Connector Perpendicular

Light Bluish Gray

$0.04

$0.12

3 x $0.04

$0.12

Plate 1 x 2

Red

$0.04

$0.12

3 x $0.04

$0.12

Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring]

White

$0.12

$0.12

1 x $0.12

$0.12

Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]

White

$0.12

$0.12

1 x $0.12

$0.12

Technic Axle 5 with Stop

Reddish Brown

$0.04

$0.12

3 x $0.04

$0.12

Plate Round 1 x 1 with Solid Stud

Pearl Gold

$0.03

$0.11

4 x $0.03

$0.11

Technic Pin 3/4

Tan

$0.03

$0.11

4 x $0.03

$0.11

Bracket 1 x 2 - 2 x 2

Red

$0.05

$0.11

2 x $0.05

$0.11

Plate 2 x 3

Tan

$0.05

$0.11

2 x $0.05

$0.11

Technic Brick 1 x 2 [1 Pin Hole]

Light Bluish Gray

$0.05

$0.11

2 x $0.05

$0.11

Brick 1 x 2

Red

$0.05

$0.11

2 x $0.05

$0.11

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)

Yellow

$0.03

$0.11

4 x $0.03

$0.11

Technic Beam 1 x 9 Bent (7 - 3) Thick

Light Bluish Gray

$0.11

$0.11

1 x $0.11

$0.11

Dish 6 x 6 Inverted, Radar / Webbed [Anti-studs at 90°]

Trans-Light Blue

$0.11

$0.11

1 x $0.11

$0.11

Technic Beam 3 x 3 T-Shape Thick

Light Bluish Gray

$0.11

$0.11

1 x $0.11

$0.11

Slope Curved 4 x 4 x 2/3 Triple Curved with 2 Studs

Red

$0.11

$0.11

1 x $0.11

$0.11

Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]

Light Bluish Gray

$0.09

$0.09

1 x $0.09

$0.09

Plate 2 x 6

Dark Bluish Gray

$0.09

$0.09

1 x $0.09

$0.09

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Light Bluish Gray

$0.09

$0.09

1 x $0.09

$0.09

Plate Round 6 x 6 with Hole

Light Bluish Gray

$0.09

$0.09

1 x $0.09

$0.09

Tile 1 x 3

Red

$0.09

$0.09

1 x $0.09

$0.09

Plate Round 4 x 4 with Pin Hole

White

$0.09

$0.09

1 x $0.09

$0.09

Technic Axle 5.5 with Stop [Rounded Short End]

Dark Bluish Gray

$0.03

$0.08

3 x $0.03

$0.08

Cone 1 x 1 [Top Groove]

Yellow

$0.03

$0.08

3 x $0.03

$0.08

Technic Axle and Pin Connector Angled #1

Light Bluish Gray

$0.08

$0.08

1 x $0.08

$0.08

Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top]

Dark Bluish Gray

$0.04

$0.08

2 x $0.04

$0.08

Tile Round 1 x 1

Trans-Clear

$0.04

$0.08

2 x $0.04

$0.08

Technic Axle and Pin Connector Perpendicular

White

$0.04

$0.08

2 x $0.04

$0.08

Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle)

Dark Bluish Gray

$0.04

$0.08

2 x $0.04

$0.08

Tile Round 2 x 2 with Bottom Stud Holder

Light Bluish Gray

$0.08

$0.08

1 x $0.08

$0.08

Plate Round 4 x 4 with Pin Hole

Bright Light Orange

$0.08

$0.08

1 x $0.08

$0.08

Technic Axle and Pin Connector Perpendicular

Yellow

$0.04

$0.08

2 x $0.04

$0.08

Plate 2 x 4

Black

$0.08

$0.08

1 x $0.08

$0.08

Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin

Red

$0.04

$0.08

2 x $0.04

$0.08

Plate 2 x 4

Medium Azure

$0.04

$0.08

2 x $0.04

$0.08

Slope Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin

Dark Bluish Gray

$0.08

$0.08

1 x $0.08

$0.08

Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes

Dark Bluish Gray

$0.04

$0.08

2 x $0.04

$0.08

Brick Round 2 x 2 Dome Top, Hollow Stud

Yellow

$0.08

$0.08

1 x $0.08

$0.08

Brick Special 1 x 2 with 2 Pins, Round Pin Holes

Dark Bluish Gray

$0.04

$0.08

2 x $0.04

$0.08

Wedge Plate 3 x 6 Cut Corners

Dark Bluish Gray

$0.04

$0.08

2 x $0.04

$0.08

Box 2 x 2 x 2 Door with Slot

Light Bluish Gray

$0.08

$0.08

1 x $0.08

$0.08

Plate Round 2 x 2 with Rounded Bottom [Boat Stud]

Trans-Yellow

$0.07

$0.07

1 x $0.07

$0.07

Box 2 x 2 x 2 [Hollow Studs]

Red

$0.07

$0.07

1 x $0.07

$0.07

Technic Axle and Pin Connector Perpendicular Triple

Light Bluish Gray

$0.07

$0.07

1 x $0.07

$0.07

Technic Axle 7

Yellow

$0.07

$0.07

1 x $0.07

$0.07

Slope Curved 2 x 1 No Studs [1/2 Bow]

Medium Azure

$0.07

$0.07

1 x $0.07

$0.07

Plate 2 x 2

White

$0.05

$0.05

1 x $0.05

$0.05

Technic Brick 1 x 2 [2 Pin Holes]

Light Bluish Gray

$0.05

$0.05

1 x $0.05

$0.05

Technic Axle Towball

Light Bluish Gray

$0.03

$0.05

2 x $0.03

$0.05

Slope 30° 1 x 2 x 2/3

Red

$0.05

$0.05

1 x $0.05

$0.05

Tile Round 1 x 1

Trans-Red

$0.03

$0.05

2 x $0.03

$0.05

Technic Beam 2 x 4 L-Shape Thick

Light Bluish Gray

$0.05

$0.05

1 x $0.05

$0.05

Tile 1 x 2 with Groove

White

$0.05

$0.05

1 x $0.05

$0.05

Weapon Axe

Black

$0.05

$0.05

1 x $0.05

$0.05

Plate Round 1 x 1 with Solid Stud

Red

$0.03

$0.05

2 x $0.03

$0.05

Technic Axle Connector Smooth [with x Hole + Orientation]

Black

$0.05

$0.05

1 x $0.05

$0.05

Tile 1 x 1 with Groove

Medium Azure

$0.04

$0.04

1 x $0.04

$0.04

Plate Round 2 x 2 with Rounded Bottom [Boat Stud]

White

$0.04

$0.04

1 x $0.04

$0.04

Plate Special 1 x 2 5.9mm Centre Side Towball Socket

Light Bluish Gray

$0.04

$0.04

1 x $0.04

$0.04

Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin

Light Bluish Gray

$0.04

$0.04

1 x $0.04

$0.04

Slope 30° 1 x 1 x 2/3 (Cheese Slope)

Trans-Dark Blue

$0.04

$0.04

1 x $0.04

$0.04

Technic Axle Connector Smooth [with x Hole + Orientation]

Yellow

$0.04

$0.04

1 x $0.04

$0.04

Brick Special 1 x 2 with Vertical Clip [Open O Clip]

Red

$0.03

$0.03

1 x $0.03

$0.03

Slope 30° 1 x 1 x 2/3 (Cheese Slope)

Trans-Red

$0.03

$0.03

1 x $0.03

$0.03

Tile Special 1 x 2 Grille with Bottom Groove

Pearl Gold

$0.03

$0.03

1 x $0.03

$0.03

Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)

Medium Azure

$0.03

$0.03

1 x $0.03

$0.03

Missing pricing information on the following items.

Part		Color	Quantity
	Slope Curved 4 x 4 x 2/3 Triple Curved with 2 Studs and 'HYDRO DYNAMICS COACH' print	White	4
	Equipment Hose Nozzle / Gun with Side String Hole Simplified	Light Bluish Gray	1

Minifigures included in set 45804-1.

Price source:

Minifigure		Quantity	Value
	White Torso, Classic Space Figure, White Legs, Black Hair fig-001895, fst025, BOID 12550	1	-

Compare the value of buying HYDRO DYNAMICS Challenge Kit as a complete set versus the total value of all parts individually.

BrickLink
Condition	Timespan	Avg price	Items sold	Inventory value	Ratio
New	6 months	?	?	$275.07	?
Used	6 months	?	?	$0.00	?

Brick Owl
Condition	Timespan	Avg price	Inventory value	Ratio
New	Current	?	$359.19	?
	6 months	?	$303.72	?
	1 year	?	$305.80	?
Used	Current	?	$235.54	?

Combined 6 Month Sales Volume (New)
Total items sold	?

Find the cheapest offers for set 45804-1 from sellers on secondary marketplaces like Brick Owl and eBay. As an eBay Partner Network Affiliate and Brick Owl Affiliate, I earn from qualifying purchases.

Item		Price

BrickLink history of 0 sales with 0 total item quantity. Item condition: New.

Remove outliers

No sale history available.