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: $449.04
Pricing information known of 141/145 parts.

Part

Color

Quantity

Average price

Total

Value

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

Black

$11.58

$46.31

4 x $11.58

$46.31

Motor, 9V Mini [Old Style]

Light Gray

$16.83

$33.66

2 x $16.83

$33.66

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

Black

$15.74

$31.47

2 x $15.74

$31.47

Hub, RCX 1.0, No Power Jack [Complete Assembly]

Yellow

$21.58

$21.58

1 x $21.58

$21.58

Tyre 81.6 x 15 Motorcycle

Black

$4.29

$17.16

4 x $4.29

$17.16

Wheel 61.6 x 13.6 Motorcycle

White

$3.39

$13.57

4 x $3.39

$13.57

Hose Rigid 3mm D. 19L / 15.2cm

Yellow

$6.14

$12.28

2 x $6.14

$12.28

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

Blue

$3.89

$11.68

3 x $3.89

$11.68

Rubber Band Small 13mm (Square Cross Section)

Black

$2.31

$11.55

5 x $2.31

$11.55

Technic Gear 40 Tooth

Light Gray

$2.38

$9.51

4 x $2.38

$9.51

Plate 1 x 2

Light Gray

$0.45

$8.98

20 x $0.45

$8.98

Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots

Black

$1.12

$8.98

8 x $1.12

$8.98

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

Yellow

$2.24

$6.73

3 x $2.24

$6.73

Transmitter Tower, IR, Serial with Black Front

Dark Gray

$6.06

$6.06

1 x $6.06

$6.06

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

Black

$2.94

$5.89

2 x $2.94

$5.89

Technic Brick 1 x 16 [15 Pin Holes]

Black

$0.91

$5.47

6 x $0.91

$5.47

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

White

$1.25

$5.02

4 x $1.25

$5.02

Wheel with Split Axle hole

Yellow

$0.83

$4.99

6 x $0.83

$4.99

Technic Bush

Light Gray

$0.12

$4.87

41 x $0.12

$4.87

Technic Plate 2 x 8 [7 Holes]

Light Gray

$0.61

$4.86

8 x $0.61

$4.86

Sensor, Light with Fixed Cable

Blue

$4.82

$4.82

1 x $4.82

$4.82

Sensor, Touch

Light Gray

$2.40

$4.81

2 x $2.40

$4.81

Technic Steering Pulley Large

Light Gray

$2.35

$4.70

2 x $2.35

$4.70

Tread Large, Technic [34 Links]

Black

$2.22

$4.44

2 x $2.22

$4.44

Plate 2 x 10

Light Gray

$0.71

$4.28

6 x $0.71

$4.28

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

Black

$1.94

$3.88

2 x $1.94

$3.88

Plate 1 x 1

Light Gray

$0.48

$3.80

8 x $0.48

$3.80

Technic Gear 24 Tooth Crown with Reinforcements [New Style]

Light Gray

$0.94

$3.75

4 x $0.94

$3.75

Plate 1 x 6

Light Gray

$0.37

$3.70

10 x $0.37

$3.70

Technic Axle Pin without Friction Ridges Lengthwise

Light Gray

$0.22

$3.59

16 x $0.22

$3.59

Technic Axle 5

Black

$1.72

$3.43

2 x $1.72

$3.43

Plate 1 x 4

Light Gray

$0.34

$3.43

10 x $0.34

$3.43

Technic Brick 1 x 12 [11 Pin Holes]

Black

$0.57

$3.41

6 x $0.57

$3.41

Technic Axle 3

Black

$1.14

$3.41

3 x $1.14

$3.41

Technic Gear 12 Tooth Bevel

Light Gray

$0.67

$3.37

5 x $0.67

$3.37

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

Light Gray

$0.81

$3.22

4 x $0.81

$3.22

Technic Pin without Friction Ridges Lengthwise

Light Gray

$0.13

$3.17

24 x $0.13

$3.17

Plate 1 x 8

Light Gray

$0.40

$3.17

8 x $0.40

$3.17

Plate 6 x 10

Light Gray

$3.06

$3.06

1 x $3.06

$3.06

Tyre 30 x 10.5 Offset Tread

Black

$0.75

$3.01

4 x $0.75

$3.01

Technic Gear Rack 1 x 4

Light Gray

$0.75

$3.01

4 x $0.75

$3.01

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

White

$2.89

$2.89

1 x $2.89

$2.89

Plate 2 x 2

Light Gray

$0.34

$2.75

8 x $0.34

$2.75

Cable, Serial, for IR Transmitter Tower

Light Gray

$2.64

$2.64

1 x $2.64

$2.64

Plate 2 x 2 Corner

Light Gray

$0.33

$2.64

8 x $0.33

$2.64

Technic Brick 1 x 10 [9 Pin Holes]

Black

$0.33

$2.64

8 x $0.33

$2.64

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

White

$1.27

$2.53

2 x $1.27

$2.53

Tyre 49.6 x 28 VR

Black

$1.23

$2.46

2 x $1.23

$2.46

Technic Beam 1 x 7 Thin

Black

$0.58

$2.32

4 x $0.58

$2.32

Tyre 43 x 17

Black

$1.16

$2.32

2 x $1.16

$2.32

Technic Brick 1 x 8 [7 Pin Holes]

Black

$0.29

$2.32

8 x $0.29

$2.32

Technic Brick 1 x 4 [3 Pin Holes]

Green

$1.14

$2.27

2 x $1.14

$2.27

Technic Bush 1/2 Smooth with Axle Hole Reduced

Light Gray

$0.12

$2.26

19 x $0.12

$2.26

Technic Pin 3/4

Dark Gray

$0.13

$2.24

17 x $0.13

$2.24

Technic Gear 8 Tooth

Light Gray

$0.37

$2.22

6 x $0.37

$2.22

Technic Cam

Light Gray

$1.07

$2.14

2 x $1.07

$2.14

Plate 1 x 10

Light Gray

$0.34

$2.06

6 x $0.34

$2.06

Technic Axle and Pin Connector Angled #2 - 180°

Blue

$0.99

$1.98

2 x $0.99

$1.98

Brick 2 x 2

Black

$0.09

$1.85

20 x $0.09

$1.85

Technic Wedge Belt Wheel [aka Pulley]

Light Gray

$0.44

$1.74

4 x $0.44

$1.74

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

Blue

$0.42

$1.69

4 x $0.42

$1.69

Brick 1 x 2

Black

$0.08

$1.58

20 x $0.08

$1.58

Technic Brick 1 x 4 [3 Pin Holes]

Black

$0.16

$1.58

10 x $0.16

$1.58

Wheel Rim 24 x 14 VR with Center Axle Hole

White

$0.75

$1.50

2 x $0.75

$1.50

Technic Pin 1/2

Light Gray

$0.16

$1.43

9 x $0.16

$1.43

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

Dark Gray

$1.40

$1.40

1 x $1.40

$1.40

Cone 1 x 1 [No Top Groove]

White

$0.66

$1.32

2 x $0.66

$1.32

Technic Axle Connector Ridged [with x Hole x Orientation]

Light Gray

$0.33

$1.32

4 x $0.33

$1.32

Technic Axle 8

Black

$0.18

$1.29

7 x $0.18

$1.29

Motor Pulley, 9V Micromotor with axle hole

Light Gray

$0.65

$1.29

2 x $0.65

$1.29

Tyre 30.4 x 14 VR

Black

$0.65

$1.29

2 x $0.65

$1.29

Creature Body Part, Dragon Wing

Trans-Neon Orange

$0.63

$1.27

2 x $0.63

$1.27

Brick Separator v1.0

Dark Gray

$1.25

$1.25

1 x $1.25

$1.25

Technic Beam 1 x 5 Thin

Light Gray

$0.30

$1.21

4 x $0.30

$1.21

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

Green

$0.30

$1.21

4 x $0.30

$1.21

Technic Axle 10

Black

$0.30

$1.21

4 x $0.30

$1.21

Plate Special 1 x 2 with Door Rail

Light Gray

$0.15

$1.16

8 x $0.15

$1.16

Technic Brick 1 x 6 [5 Pin Holes]

Black

$0.15

$1.16

8 x $0.15

$1.16

Technic Plate 2 x 6 [5 Holes]

Light Gray

$0.29

$1.16

4 x $0.29

$1.16

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

Dark Turquoise

$0.29

$1.16

4 x $0.29

$1.16

Technic Beam 3 x 3 L-Shape Thin

Light Gray

$0.29

$1.16

4 x $0.29

$1.16

Technic Gear 16 Tooth with Round Holes [Old Style]

Light Gray

$0.29

$1.16

4 x $0.29

$1.16

Bracket 2 x 2 - 2 x 2

Light Gray

$0.57

$1.14

2 x $0.57

$1.14

Technic Worm Gear

Black

$0.57

$1.14

2 x $0.57

$1.14

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

Black

$0.26

$1.06

4 x $0.26

$1.06

Technic Wedge Belt Wheel Tire

Black

$0.51

$1.03

2 x $0.51

$1.03

Technic Pin Double with Axle Hole

Yellow

$0.50

$1.00

2 x $0.50

$1.00

Turntable 2 x 2 Plate - Top

Light Gray

$0.49

$0.98

2 x $0.49

$0.98

Technic Brick 1 x 2 [1 Pin Hole]

Black

$0.08

$0.95

12 x $0.08

$0.95

Technic Beam 1 x 3 Thin

Light Gray

$0.24

$0.95

4 x $0.24

$0.95

Brick 2 x 4

Black

$0.18

$0.92

5 x $0.18

$0.92

Brick Round 2 x 2 with Axle Hole

Black

$0.11

$0.84

8 x $0.11

$0.84

Technic Tread Hub

White

$0.20

$0.79

4 x $0.20

$0.79

Tyre Offset Tread 24 x 8

Black

$0.40

$0.79

2 x $0.40

$0.79

Technic Plate 2 x 4 [3 Holes]

Light Gray

$0.18

$0.74

4 x $0.18

$0.74

Technic Axle 12

Black

$0.37

$0.74

2 x $0.37

$0.74

Technic Engine Crankshaft Center

Light Gray

$0.37

$0.74

2 x $0.37

$0.74

Technic Axle and Pin Connector Perpendicular

Light Gray

$0.12

$0.71

6 x $0.12

$0.71

Technic Pin with Friction Ridges Lengthwise and Center Slots

Black

$0.03

$0.66

25 x $0.03

$0.66

Slope 45° 2 x 1 with Bottom Pin

Black

$0.05

$0.63

12 x $0.05

$0.63

Technic Axle 6

Black

$0.08

$0.63

8 x $0.08

$0.63

Arm Grab Jaw

Black

$0.16

$0.63

4 x $0.16

$0.63

Technic Beam 1 x 11.5 Double Bent Thick

Yellow

$0.15

$0.58

4 x $0.15

$0.58

Technic Axle and Pin Connector Angled #5 - 112.5°

Light Gray

$0.15

$0.58

4 x $0.15

$0.58

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

Black

$0.28

$0.55

2 x $0.28

$0.55

Technic Axle 2 Notched

Black

$0.05

$0.53

10 x $0.05

$0.53

Plate 2 x 8

Green

$0.13

$0.53

4 x $0.13

$0.53

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

Black

$0.12

$0.48

4 x $0.12

$0.48

Technic Axle and Pin Connector Perpendicular 3L with Pin Hole

Light Gray

$0.24

$0.48

2 x $0.24

$0.48

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

Black

$0.22

$0.45

2 x $0.22

$0.45

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

Black

$0.11

$0.42

4 x $0.11

$0.42

Plate Special 2 x 2 with 2 Pin Holes

Light Gray

$0.11

$0.42

4 x $0.11

$0.42

Plate 2 x 4

Yellow

$0.07

$0.40

6 x $0.07

$0.40

Cone 1 x 1 [No Top Groove]

Yellow

$0.18

$0.37

2 x $0.18

$0.37

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

Purple

$0.08

$0.32

4 x $0.08

$0.32

Technic Beam 1 x 4 Thin with Stud Connector

Light Gray

$0.16

$0.32

2 x $0.16

$0.32

Arm Grab Jaw Holder, 3 Fingers

Yellow

$0.15

$0.29

2 x $0.15

$0.29

Wedge Plate 3 x 6 Cut Corners

Green

$0.15

$0.29

2 x $0.15

$0.29

Technic Axle 4

Black

$0.04

$0.28

7 x $0.04

$0.28

Dish 4 x 4 Inverted [Radar]

White

$0.13

$0.26

2 x $0.13

$0.26

Technic Axle Connector with Axle Hole

Light Gray

$0.13

$0.26

2 x $0.13

$0.26

Arm Piece with Pin, 2 Fingers

Black

$0.12

$0.24

2 x $0.12

$0.24

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

Light Gray

$0.12

$0.24

2 x $0.12

$0.24

Technic Axle and Pin Connector Angled #1

Blue

$0.05

$0.21

4 x $0.05

$0.21

Slope Inverted 45° 2 x 1

Black

$0.05

$0.21

4 x $0.05

$0.21

Plate 2 x 2

Blue

$0.05

$0.21

4 x $0.05

$0.21

Technic Axle 3 with Stud

Dark Gray

$0.09

$0.18

2 x $0.09

$0.18

Plate 1 x 3

Yellow

$0.09

$0.18

2 x $0.09

$0.18

Technic Brick 1 x 2 [1 Pin Hole]

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

Slope 45° 2 x 1 with Bottom Pin

Yellow

$0.04

$0.16

4 x $0.04

$0.16

Slope Inverted 45° 2 x 1

Yellow

$0.04

$0.16

4 x $0.04

$0.16

Turntable 2 x 2 Plate, Base

Blue

$0.07

$0.13

2 x $0.07

$0.13

Plate 2 x 2

Green

$0.07

$0.13

2 x $0.07

$0.13

Plate Round 1 x 1 with Solid Stud

Black

$0.04

$0.12

3 x $0.04

$0.12

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 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)

Blue

$0.04

$0.08

2 x $0.04

$0.08

Plate Round 1 x 1 with Solid Stud

Blue

$0.03

$0.08

3 x $0.03

$0.08

Missing pricing information on the following items.

	Color	Quantity
Technic Modular Connector	Trans-Dark Blue	4
Robotics Invention System 1.5 Membership Card	[No Color/Any Color]	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	?	?	$380.61	?
Used	6 months	?	?	$0.00	?

Brick Owl
Condition	Timespan	Avg price	Inventory value	Ratio
New	Current	?	$711.78	?
	6 months	$107.50	$384.39	3.58
	1 year	$107.50	$449.04	4.18
Used	Current	$87.32	$265.50	3.04

Combined 6 Month Sales Volume (New)
Total items sold	1

Find the cheapest offers for set 9747-1 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.

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