Brickonomics | Robotics Invention System, Version 1.5 (9747-1)

Robotics Invention System, Version 1.5 (9747-1)

LEGO set 9747-1 Robotics Invention System, Version 1.5 - Image 1

Price Comparison

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Set details

Name: Robotics Invention System, Version 1.5
Set number: 9747-1
Year: 1999
Theme: Mindstorms
Number of parts: 731
Number of part types: 145
Age rating: 12+
Retail price: $200.00

Browse all 731 parts in set 9747-1 with individual pricing from BrickLink or Brick Owl.

Price source:

Value of parts: $433.47
Pricing information known of 139/145 parts.

Part

Color

Quantity

Average price

Total

Value

Wire with Brick 2 x 2 x 2/3 Pair, 20L

Black

$11.49

$45.94

4 x $11.49

$45.94

Motor, 9V Mini [Old Style]

Light Gray

$19.83

$39.67

2 x $19.83

$39.67

Wire with Brick 2 x 2 x 2/3 Pair, 162L

Black

$16.00

$32.00

2 x $16.00

$32.00

Tyre 81.6 x 15 Motorcycle

Black

$4.41

$17.62

4 x $4.41

$17.62

Wheel 61.6 x 13.6 Motorcycle

White

$3.37

$13.48

4 x $3.37

$13.48

Hose Rigid 3mm D. 19L / 15.2cm

Yellow

$6.49

$12.99

2 x $6.49

$12.99

Technic Rubber Belt Medium [26mm ID] [Round Cross Section]

Blue

$4.05

$12.15

3 x $4.05

$12.15

Rubber Band Small 13mm (Square Cross Section)

Black

$2.24

$11.19

5 x $2.24

$11.19

Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots

Black

$1.15

$9.17

8 x $1.15

$9.17

Plate 1 x 2

Light Gray

$0.45

$9.00

20 x $0.45

$9.00

Technic Gear 40 Tooth

Light Gray

$2.11

$8.46

4 x $2.11

$8.46

Technic Rubber Belt Large [33mm ID] [Round Cross Section]

Yellow

$2.33

$7.00

3 x $2.33

$7.00

Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs]

Black

$2.92

$5.84

2 x $2.92

$5.84

Technic Brick 1 x 16 [15 Pin Holes]

Black

$0.93

$5.57

6 x $0.93

$5.57

Wheel with Split Axle hole

Yellow

$0.87

$5.24

6 x $0.87

$5.24

Rubber Belt Small [15mm ID] [Round Cross Section]

White

$1.31

$5.24

4 x $1.31

$5.24

Sensor, Touch

Light Gray

$2.50

$4.99

2 x $2.50

$4.99

Tread Large, Technic [34 Links]

Black

$2.35

$4.69

2 x $2.35

$4.69

Plate 2 x 10

Light Gray

$0.75

$4.50

6 x $0.75

$4.50

Technic Bush

Light Gray

$0.11

$4.47

41 x $0.11

$4.47

Transmitter Tower, IR, Serial with Black Front

Dark Gray

$4.34

$4.34

1 x $4.34

$4.34

Plate 1 x 1

Light Gray

$0.52

$4.15

8 x $0.52

$4.15

Hinge Tile 1 x 2 1/2 with 2 Fingers on Top

Black

$1.99

$3.98

2 x $1.99

$3.98

Technic Gear 24 Tooth Crown with Reinforcements [New Style]

Light Gray

$0.98

$3.93

4 x $0.98

$3.93

Technic Plate 2 x 8 [7 Holes]

Light Gray

$0.48

$3.82

8 x $0.48

$3.82

Plate 1 x 6

Light Gray

$0.38

$3.82

10 x $0.38

$3.82

Technic Gear Rack 1 x 4

Light Gray

$0.94

$3.76

4 x $0.94

$3.76

Brick Separator v1.0

Dark Gray

$3.75

$3.75

1 x $3.75

$3.75

Technic Brick 1 x 4 [3 Pin Holes]

Green

$1.80

$3.60

2 x $1.80

$3.60

Technic Steering Pulley Large

Light Gray

$1.75

$3.49

2 x $1.75

$3.49

Technic Axle Pin without Friction Ridges Lengthwise

Light Gray

$0.22

$3.49

16 x $0.22

$3.49

Technic Axle 5

Black

$1.72

$3.44

2 x $1.72

$3.44

Technic Brick 1 x 12 [11 Pin Holes]

Black

$0.57

$3.44

6 x $0.57

$3.44

Plate 1 x 4

Light Gray

$0.34

$3.41

10 x $0.34

$3.41

Technic Axle 3

Black

$1.12

$3.36

3 x $1.12

$3.36

Technic Pin without Friction Ridges Lengthwise

Light Gray

$0.14

$3.27

24 x $0.14

$3.27

Plate 1 x 8

Light Gray

$0.41

$3.27

8 x $0.41

$3.27

Plate 6 x 10

Light Gray

$3.25

$3.25

1 x $3.25

$3.25

Technic Gear 24 Tooth Clutch with Dark Gray or Light Gray Center

White

$3.18

$3.18

1 x $3.18

$3.18

Technic Gear 12 Tooth Bevel

Light Gray

$0.63

$3.14

5 x $0.63

$3.14

Technic Gear 24 Tooth [New Style with Single Axle Hole]

Light Gray

$0.74

$2.95

4 x $0.74

$2.95

Tyre 30 x 10.5 Offset Tread

Black

$0.71

$2.84

4 x $0.71

$2.84

Technic Brick 1 x 10 [9 Pin Holes]

Black

$0.34

$2.73

8 x $0.34

$2.73

Wheel 49.6 x 28 VR (36.8 x 26) with Axle Hole

White

$1.31

$2.62

2 x $1.31

$2.62

Plate 2 x 2

Light Gray

$0.33

$2.62

8 x $0.33

$2.62

Tyre 49.6 x 28 VR

Black

$1.25

$2.51

2 x $1.25

$2.51

Plate 2 x 2 Corner

Light Gray

$0.31

$2.51

8 x $0.31

$2.51

Technic Brick 1 x 8 [7 Pin Holes]

Black

$0.30

$2.40

8 x $0.30

$2.40

Technic Beam 1 x 7 Thin

Black

$0.59

$2.35

4 x $0.59

$2.35

Technic Bush 1/2 Smooth with Axle Hole Reduced

Light Gray

$0.12

$2.33

19 x $0.12

$2.33

Technic Pin 3/4

Dark Gray

$0.14

$2.32

17 x $0.14

$2.32

Technic Gear 8 Tooth

Light Gray

$0.38

$2.29

6 x $0.38

$2.29

Tyre 43 x 17

Black

$1.10

$2.21

2 x $1.10

$2.21

Technic Cam

Light Gray

$1.04

$2.07

2 x $1.04

$2.07

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

Blue

$0.52

$2.07

4 x $0.52

$2.07

Plate 1 x 10

Light Gray

$0.34

$2.05

6 x $0.34

$2.05

Technic Wedge Belt Wheel [aka Pulley]

Light Gray

$0.50

$2.02

4 x $0.50

$2.02

Brick 2 x 2

Black

$0.10

$1.91

20 x $0.10

$1.91

Technic Axle and Pin Connector Angled #2 - 180°

Blue

$0.93

$1.86

2 x $0.93

$1.86

Bracket 2 x 2 - 2 x 2

Light Gray

$0.85

$1.69

2 x $0.85

$1.69

Creature Body Part, Dragon Wing

Trans-Neon Orange

$0.83

$1.66

2 x $0.83

$1.66

Brick 1 x 2

Black

$0.08

$1.64

20 x $0.08

$1.64

Tyre 30.4 x 14 VR

Black

$0.82

$1.64

2 x $0.82

$1.64

Technic Brick 1 x 4 [3 Pin Holes]

Black

$0.16

$1.64

10 x $0.16

$1.64

Wheel Rim 24 x 14 VR with Center Axle Hole

White

$0.76

$1.53

2 x $0.76

$1.53

Technic Axle Connector Ridged [with x Hole x Orientation]

Light Gray

$0.37

$1.47

4 x $0.37

$1.47

Technic Pin 1/2

Light Gray

$0.16

$1.47

9 x $0.16

$1.47

Cone 1 x 1 [No Top Groove]

White

$0.68

$1.36

2 x $0.68

$1.36

Technic Plate 2 x 6 [5 Holes]

Light Gray

$0.34

$1.36

4 x $0.34

$1.36

Technic Axle 8

Black

$0.19

$1.34

7 x $0.19

$1.34

Technic Beam 1 x 5 Thin

Light Gray

$0.33

$1.31

4 x $0.33

$1.31

Technic Beam 3 x 3 L-Shape Thin

Light Gray

$0.31

$1.25

4 x $0.31

$1.25

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

Green

$0.31

$1.25

4 x $0.31

$1.25

Technic Axle 10

Black

$0.30

$1.20

4 x $0.30

$1.20

Technic Gear 16 Tooth with Round Holes [Old Style]

Light Gray

$0.30

$1.20

4 x $0.30

$1.20

Hose, Ribbed 7mm D. 9L / 7.2cm

Dark Turquoise

$0.30

$1.20

4 x $0.30

$1.20

Technic Brick 1 x 6 [5 Pin Holes]

Black

$0.15

$1.20

8 x $0.15

$1.20

Plate Special 1 x 2 with Door Rail

Light Gray

$0.15

$1.20

8 x $0.15

$1.20

Technic Gear Differential, 24 -16 Tooth with Clutch on Both Sides

Dark Gray

$1.17

$1.17

1 x $1.17

$1.17

Technic Worm Gear

Black

$0.56

$1.12

2 x $0.56

$1.12

Turntable 2 x 2 Plate - Top

Light Gray

$0.55

$1.09

2 x $0.55

$1.09

Hose, Ribbed 7mm D. 9L / 7.2cm

Black

$0.27

$1.09

4 x $0.27

$1.09

Technic Wedge Belt Wheel Tire

Black

$0.53

$1.06

2 x $0.53

$1.06

Motor Pulley, 9V Micromotor with axle hole

Light Gray

$0.53

$1.06

2 x $0.53

$1.06

Technic Pin Double with Axle Hole

Yellow

$0.52

$1.04

2 x $0.52

$1.04

Technic Brick 1 x 2 [1 Pin Hole]

Black

$0.08

$0.98

12 x $0.08

$0.98

Technic Beam 1 x 3 Thin

Light Gray

$0.25

$0.98

4 x $0.25

$0.98

Brick 2 x 4

Black

$0.19

$0.95

5 x $0.19

$0.95

Brick Round 2 x 2 with Axle Hole

Black

$0.11

$0.87

8 x $0.11

$0.87

Technic Axle and Pin Connector Perpendicular

Light Gray

$0.14

$0.82

6 x $0.14

$0.82

Tyre Offset Tread 24 x 8

Black

$0.41

$0.82

2 x $0.41

$0.82

Technic Plate 2 x 4 [3 Holes]

Light Gray

$0.20

$0.82

4 x $0.20

$0.82

Technic Tread Hub

White

$0.20

$0.82

4 x $0.20

$0.82

Technic Engine Crankshaft Center

Light Gray

$0.38

$0.76

2 x $0.38

$0.76

Technic Axle 12

Black

$0.38

$0.76

2 x $0.38

$0.76

Cable, Serial, for IR Transmitter Tower

Light Gray

$0.74

$0.74

1 x $0.74

$0.74

Arm Grab Jaw

Black

$0.18

$0.71

4 x $0.18

$0.71

Technic Pin with Friction Ridges Lengthwise and Center Slots

Black

$0.03

$0.68

25 x $0.03

$0.68

Technic Axle 6

Black

$0.08

$0.65

8 x $0.08

$0.65

Technic Axle and Pin Connector Angled #5 - 112.5°

Light Gray

$0.16

$0.65

4 x $0.16

$0.65

Technic Beam 1 x 11.5 Double Bent Thick

Yellow

$0.16

$0.65

4 x $0.16

$0.65

Brick Sloped 45° 2 x 1 with Bottom Pin

Black

$0.05

$0.65

12 x $0.05

$0.65

Plate Special 1 x 1 with Clip Horizontal [Thick U Clip]

Black

$0.29

$0.57

2 x $0.29

$0.57

Brick Sloped Inverted 33° 3 x 2, No Connections between Studs, Ovoid Bottom Pin

Black

$0.14

$0.55

4 x $0.14

$0.55

Technic Axle 2 Notched

Black

$0.05

$0.55

10 x $0.05

$0.55

Plate 2 x 8

Green

$0.12

$0.49

4 x $0.12

$0.49

Hose, Ribbed 7mm D. 12L / 9.6cm

Purple

$0.12

$0.49

4 x $0.12

$0.49

Plate Special 1 x 1 with Clip Vertical [Thick U Clip]

Black

$0.22

$0.44

2 x $0.22

$0.44

Technic Beam 1 x 9 Bent (6 - 4) Thick

Black

$0.11

$0.44

4 x $0.11

$0.44

Cone 1 x 1 [No Top Groove]

Yellow

$0.22

$0.44

2 x $0.22

$0.44

Technic Axle and Pin Connector Perpendicular 3L with Pin Hole

Light Gray

$0.22

$0.44

2 x $0.22

$0.44

Plate 2 x 4

Yellow

$0.07

$0.41

6 x $0.07

$0.41

Plate Special 2 x 2 with 2 Pin Holes

Light Gray

$0.10

$0.38

4 x $0.10

$0.38

Technic Beam 1 x 4 Thin with Stud Connector

Light Gray

$0.16

$0.33

2 x $0.16

$0.33

Dish 4 x 4 Inverted [Radar]

White

$0.15

$0.30

2 x $0.15

$0.30

Arm Grab Jaw Holder, 3 Fingers

Yellow

$0.15

$0.30

2 x $0.15

$0.30

Technic Axle 4

Black

$0.04

$0.29

7 x $0.04

$0.29

Wedge Plate 3 x 6 Cut Corners

Green

$0.14

$0.27

2 x $0.14

$0.27

Technic Axle Connector with Axle Hole

Light Gray

$0.14

$0.27

2 x $0.14

$0.27

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

Light Gray

$0.12

$0.25

2 x $0.12

$0.25

Arm Piece with Pin, 2 Fingers

Black

$0.12

$0.25

2 x $0.12

$0.25

Technic Axle 3 with Stud

Dark Gray

$0.12

$0.25

2 x $0.12

$0.25

Technic Axle and Pin Connector Angled #1

Blue

$0.05

$0.22

4 x $0.05

$0.22

Technic Brick 1 x 2 [1 Pin Hole]

Yellow

$0.05

$0.22

4 x $0.05

$0.22

Plate 2 x 2

Blue

$0.05

$0.22

4 x $0.05

$0.22

Brick Sloped Inverted 45° 2 x 1

Black

$0.05

$0.22

4 x $0.05

$0.22

Plate 1 x 3

Yellow

$0.10

$0.19

2 x $0.10

$0.19

Brick Sloped Inverted 45° 2 x 1

Yellow

$0.04

$0.16

4 x $0.04

$0.16

Brick 1 x 2

Yellow

$0.04

$0.16

4 x $0.04

$0.16

Brick Sloped 45° 2 x 1 with Bottom Pin

Yellow

$0.04

$0.16

4 x $0.04

$0.16

Turntable 2 x 2 Plate, Base

Blue

$0.07

$0.14

2 x $0.07

$0.14

Plate 2 x 2

Green

$0.07

$0.14

2 x $0.07

$0.14

Plate Round 1 x 1 with Solid Stud

Black

$0.04

$0.12

3 x $0.04

$0.12

Plate Round 1 x 1 with Solid Stud

Blue

$0.03

$0.08

3 x $0.03

$0.08

Plate Round 1 x 1 with Solid Stud

White

$0.03

$0.08

3 x $0.03

$0.08

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

White

$0.04

$0.08

2 x $0.04

$0.08

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

Black

$0.04

$0.08

2 x $0.04

$0.08

Technic Beam 2 x 4 L-Shape Thick

Black

$0.04

$0.08

2 x $0.04

$0.08

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

Blue

$0.04

$0.08

2 x $0.04

$0.08

Missing pricing information on the following items.

	Color	Quantity
Technic Modular Connector	Trans-Dark Blue	4
Hub, RCX 1.0, No Power Jack [Complete Assembly]	Yellow	1
Robotics Invention System 1.5 Membership Card	[No Color/Any Color]	1
Sensor, Light with Fixed Cable	Blue	1
CD-Rom, for 9747 [RIS v1.5]	[No Color/Any Color]	1
Playmat, Test Mat for Mindstorms Robotics Invention System [v1.5]	[No Color/Any Color]	1

Compare the value of buying Robotics Invention System, Version 1.5 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	?	?	$382.58	?
Used	6 months	?	?	$0.00	?

Brick Owl
Condition	Timespan	Avg price	Inventory value	Ratio
New	Current	?	$748.46	?
	6 months	?	$439.18	?
	1 year	$111.08	$433.47	3.9
Used	Current	$88.63	$271.80	3.07

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

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