Building Dreams!
One Brick At A Time With LEGO

Discover the magic of Robotics Invention System, Version 1.5 from the RCX collection. Where creativity meets imagination.

Robotics Invention System, Version 1.5
LEGO® RCX

Robotics Invention System, Version 1.5

Set #9747

729
Pieces
1999
Year

Investment Analysis

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Complete Specifications

Theme RCX

Parts Parts Inventory

All 131 unique parts • Total pieces: 729

Technic Bush
Technic Bush
Part #: 3713 Color: Light Gray Category: 54
41×
Technic Pin with Friction Ridges Lengthwise and Center Slots
Technic Pin with Friction Ridges Lengthwise and Center Slots
Part #: 2780 Color: Black Category: 53
25×
Technic Pin without Friction Ridges Lengthwise
Technic Pin without Friction Ridges Lengthwise
Part #: 3673 Color: Light Gray Category: 53
24×
Brick 1 x 2
Brick 1 x 2
Part #: 3004 Color: Black Category: 11
20×
Brick 2 x 2
Brick 2 x 2
Part #: 3003 Color: Black Category: 11
20×
Plate 1 x 2
Plate 1 x 2
Part #: 3023 Color: Light Gray Category: 14
20×
Technic Bush 1/2 Smooth with Axle Hole Reduced
Technic Bush 1/2 Smooth with Axle Hole Reduced
Part #: 32123a Color: Light Gray Category: 54
19×
Technic Pin 3/4
Technic Pin 3/4
Part #: 32002 Color: Dark Gray Category: 53
17×
Technic Axle Pin without Friction Ridges Lengthwise
Technic Axle Pin without Friction Ridges Lengthwise
Part #: 3749 Color: Light Gray Category: 53
16×
Slope 45° 2 x 1 with Bottom Pin
Slope 45° 2 x 1 with Bottom Pin
Part #: 3040b Color: Black Category: 3
12×
Technic Brick 1 x 2 [1 Pin Hole]
Technic Brick 1 x 2 [1 Pin Hole]
Part #: 3700 Color: Black Category: 8
12×
Plate 1 x 4
Plate 1 x 4
Part #: 3710 Color: Light Gray Category: 14
10×
Technic Axle 2 Notched
Technic Axle 2 Notched
Part #: 32062 Color: Black Category: 46
10×
Technic Brick 1 x 4 [3 Pin Holes]
Technic Brick 1 x 4 [3 Pin Holes]
Part #: 3701 Color: Black Category: 8
10×
Plate 1 x 6
Plate 1 x 6
Part #: 3666 Color: Light Gray Category: 14
10×
Technic Pin 1/2
Technic Pin 1/2
Part #: 4274 Color: Light Gray Category: 53
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots
Part #: 6558 Color: Black Category: 53
Brick Round 2 x 2 with Axle Hole
Brick Round 2 x 2 with Axle Hole
Part #: 3941 Color: Black Category: 20
Technic Brick 1 x 6 [5 Pin Holes]
Technic Brick 1 x 6 [5 Pin Holes]
Part #: 3894 Color: Black Category: 8
Technic Plate 2 x 8 [7 Holes]
Technic Plate 2 x 8 [7 Holes]
Part #: 3738 Color: Light Gray Category: 9
Plate 2 x 2
Plate 2 x 2
Part #: 3022 Color: Light Gray Category: 14
Technic Brick 1 x 10 [9 Pin Holes]
Technic Brick 1 x 10 [9 Pin Holes]
Part #: 2730 Color: Black Category: 8
Technic Axle 6
Technic Axle 6
Part #: 3706 Color: Black Category: 46
Technic Brick 1 x 8 [7 Pin Holes]
Technic Brick 1 x 8 [7 Pin Holes]
Part #: 3702 Color: Black Category: 8
Plate Special 1 x 2 with Door Rail
Plate Special 1 x 2 with Door Rail
Part #: 32028 Color: Light Gray Category: 9
Plate 1 x 1
Plate 1 x 1
Part #: 3024 Color: Light Gray Category: 14
Plate 2 x 2 Corner
Plate 2 x 2 Corner
Part #: 2420 Color: Light Gray Category: 14
Plate 1 x 8
Plate 1 x 8
Part #: 3460 Color: Light Gray Category: 14
Technic Axle 4
Technic Axle 4
Part #: 3705 Color: Black Category: 46
Technic Axle 8
Technic Axle 8
Part #: 3707 Color: Black Category: 46
Technic Brick 1 x 12 [11 Pin Holes]
Technic Brick 1 x 12 [11 Pin Holes]
Part #: 3895 Color: Black Category: 8
Plate 1 x 10
Plate 1 x 10
Part #: 4477 Color: Light Gray Category: 14
Technic Axle and Pin Connector Perpendicular
Technic Axle and Pin Connector Perpendicular
Part #: 6536 Color: Light Gray Category: 12
Wheel with Split Axle hole
Wheel with Split Axle hole
Part #: 3482 Color: Yellow Category: 29
Technic Gear 8 Tooth
Technic Gear 8 Tooth
Part #: 3647 Color: Light Gray Category: 52
Plate 2 x 4
Plate 2 x 4
Part #: 3020 Color: Yellow Category: 14
Technic Brick 1 x 16 [15 Pin Holes]
Technic Brick 1 x 16 [15 Pin Holes]
Part #: 3703 Color: Black Category: 8
Plate 2 x 10
Plate 2 x 10
Part #: 3832 Color: Light Gray Category: 14
Rubber Band Small 13mm (Square Cross Section)
Rubber Band Small 13mm (Square Cross Section)
Part #: 71509 Color: Black Category: 31
Brick 2 x 4
Brick 2 x 4
Part #: 3001 Color: Black Category: 11
Technic Gear 12 Tooth Bevel
Technic Gear 12 Tooth Bevel
Part #: 6589 Color: Light Gray Category: 52
Wheel 61.6 x 13.6 Motorcycle
Wheel 61.6 x 13.6 Motorcycle
Part #: 2903 Color: White Category: 29
Hose, Ribbed 7mm D. 9L / 7.2cm
Hose, Ribbed 7mm D. 9L / 7.2cm
Part #: 78c09 Color: Dark Turquoise Category: 30
Hose, Ribbed 7mm D. 9L / 7.2cm
Hose, Ribbed 7mm D. 9L / 7.2cm
Part #: 78c09 Color: Black Category: 30
Hose, Ribbed 7mm D. 12L / 9.6cm
Hose, Ribbed 7mm D. 12L / 9.6cm
Part #: 78c12 Color: Purple Category: 30
Technic Modular Connector
Technic Modular Connector
Part #: 32137 Color: Trans-Dark Blue Category: 12
Technic Axle Connector Ridged [with x Hole x Orientation]
Technic Axle Connector Ridged [with x Hole x Orientation]
Part #: 6538b Color: Light Gray Category: 12
Plate Special 2 x 2 with 2 Pin Holes
Plate Special 2 x 2 with 2 Pin Holes
Part #: 2817 Color: Light Gray Category: 9
Slope Inverted 33° 3 x 2 [No Connections between Studs]
Slope Inverted 33° 3 x 2 [No Connections between Studs]
Part #: 3747a Color: Black Category: 3
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Ridges
Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Ridges
Part #: 32064c Color: Green Category: 8
Technic Beam 1 x 3 Thin
Technic Beam 1 x 3 Thin
Part #: 6632 Color: Light Gray Category: 51
Technic Beam 1 x 7 Thin
Technic Beam 1 x 7 Thin
Part #: 32065 Color: Black Category: 51
Technic Wedge Belt Wheel [aka Pulley]
Technic Wedge Belt Wheel [aka Pulley]
Part #: 4185 Color: Light Gray Category: 29
Technic Gear Rack 1 x 4
Technic Gear Rack 1 x 4
Part #: 3743 Color: Light Gray Category: 52
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]
Part #: 32054 Color: Blue Category: 53
Technic Beam 3 x 3 L-Shape Thin
Technic Beam 3 x 3 L-Shape Thin
Part #: 32056 Color: Light Gray Category: 51
Tyre 81.6 x 15 Motorcycle
Tyre 81.6 x 15 Motorcycle
Part #: 2902 Color: Black Category: 29
Technic Beam 1 x 9 Bent (6 - 4) Thick
Technic Beam 1 x 9 Bent (6 - 4) Thick
Part #: 6629 Color: Black Category: 51
Plate 2 x 8
Plate 2 x 8
Part #: 3034 Color: Green Category: 14
Technic Gear 24 Tooth [New Style with Single Axle Hole]
Technic Gear 24 Tooth [New Style with Single Axle Hole]
Part #: 3648b Color: Light Gray Category: 52
Technic Gear 40 Tooth
Technic Gear 40 Tooth
Part #: 3649 Color: Light Gray Category: 52
Technic Gear 24 Tooth Crown with Reinforcements [New Style]
Technic Gear 24 Tooth Crown with Reinforcements [New Style]
Part #: 3650c Color: Light Gray Category: 52
Slope Inverted 45° 2 x 1
Slope Inverted 45° 2 x 1
Part #: 3665 Color: Black Category: 3
Slope Inverted 45° 2 x 1
Slope Inverted 45° 2 x 1
Part #: 3665 Color: Yellow Category: 3
Technic Beam 1 x 5 Thin
Technic Beam 1 x 5 Thin
Part #: 32017 Color: Light Gray Category: 51
Tyre 30 x 10.5 Offset Tread
Tyre 30 x 10.5 Offset Tread
Part #: 2346 Color: Black Category: 29
Brick 1 x 2
Brick 1 x 2
Part #: 3004 Color: Yellow Category: 11
Technic Gear 16 Tooth with Round Holes [Old Style]
Technic Gear 16 Tooth with Round Holes [Old Style]
Part #: 4019 Color: Light Gray Category: 52
Rubber Belt Small [15mm ID] [Round Cross Section]
Rubber Belt Small [15mm ID] [Round Cross Section]
Part #: 85543 Color: White Category: 31
Technic Brick 1 x 2 [1 Pin Hole]
Technic Brick 1 x 2 [1 Pin Hole]
Part #: 3700 Color: Yellow Category: 8
Technic Axle and Pin Connector Angled #5 - 112.5°
Technic Axle and Pin Connector Angled #5 - 112.5°
Part #: 32015 Color: Light Gray Category: 12
Plate 2 x 2
Plate 2 x 2
Part #: 3022 Color: Blue Category: 14
Wire with Brick 2 x 2 x 2/3 Pair, 20L
Wire with Brick 2 x 2 x 2/3 Pair, 20L
Part #: 5306bc020 Color: Black Category: 45
Technic Axle and Pin Connector Angled #1
Technic Axle and Pin Connector Angled #1
Part #: 32013 Color: Blue Category: 12
Technic Beam 1 x 11.5 Double Bent Thick
Technic Beam 1 x 11.5 Double Bent Thick
Part #: 32009 Color: Yellow Category: 51
Technic Tread Hub
Technic Tread Hub
Part #: 32007 Color: White Category: 29
Technic Plate 2 x 4 [3 Holes]
Technic Plate 2 x 4 [3 Holes]
Part #: 3709 Color: Light Gray Category: 9
Technic Plate 2 x 6 [5 Holes]
Technic Plate 2 x 6 [5 Holes]
Part #: 32001 Color: Light Gray Category: 9
Arm Grab Jaw
Arm Grab Jaw
Part #: 4221 Color: Black Category: 18
Slope 45° 2 x 1 with Bottom Pin
Slope 45° 2 x 1 with Bottom Pin
Part #: 3040b Color: Yellow Category: 3
Technic Axle 10
Technic Axle 10
Part #: 3737 Color: Black Category: 46
Plate Round 1 x 1 with Solid Stud
Plate Round 1 x 1 with Solid Stud
Part #: 6141 Color: White Category: 21
Plate Round 1 x 1 with Solid Stud
Plate Round 1 x 1 with Solid Stud
Part #: 6141 Color: Blue Category: 21
Plate Round 1 x 1 with Solid Stud
Plate Round 1 x 1 with Solid Stud
Part #: 6141 Color: Black Category: 21
Technic Rubber Belt Medium [26mm ID] [Round Cross Section]
Technic Rubber Belt Medium [26mm ID] [Round Cross Section]
Part #: 85545 Color: Blue Category: 31
Technic Rubber Belt 33mm
Technic Rubber Belt 33mm
Part #: 85546 Color: Yellow Category: 31
Technic Axle 3
Technic Axle 3
Part #: 4519 Color: Black Category: 46
Plate Special 1 x 1 with Clip Horizontal [Thick U Clip]
Plate Special 1 x 1 with Clip Horizontal [Thick U Clip]
Part #: 6019 Color: Black Category: 9
Wedge Plate 3 x 6 Cut Corners
Wedge Plate 3 x 6 Cut Corners
Part #: 2419 Color: Green Category: 49
Plate Round 2 x 2 with Rounded Bottom [Boat Stud]
Plate Round 2 x 2 with Rounded Bottom [Boat Stud]
Part #: 2654 Color: Black Category: 21
Technic Wedge Belt Wheel Tire
Technic Wedge Belt Wheel Tire
Part #: 2815 Color: Black Category: 29
Technic Beam 1 x 4 Thin with Stud Connector
Technic Beam 1 x 4 Thin with Stud Connector
Part #: 2825 Color: Light Gray Category: 51
Technic Engine Crankshaft Center
Technic Engine Crankshaft Center
Part #: 2854 Color: Light Gray Category: 25
Motor Pulley, 9V Micromotor with axle hole
Motor Pulley, 9V Micromotor with axle hole
Part #: 2983 Color: Light Gray Category: 45
Wheel Rim 24 x 14 VR with Center Axle Hole
Wheel Rim 24 x 14 VR with Center Axle Hole
Part #: 2994 Color: White Category: 29
Plate 2 x 2
Plate 2 x 2
Part #: 3022 Color: Green Category: 14
Technic Axle and Pin Connector Angled #2 - 180°
Technic Axle and Pin Connector Angled #2 - 180°
Part #: 32034 Color: Blue Category: 12
Technic Axle Connector with Axle Hole
Technic Axle Connector with Axle Hole
Part #: 32039 Color: Light Gray Category: 12
Technic Axle and Pin Connector Perpendicular 3L with Pin Hole
Technic Axle and Pin Connector Perpendicular 3L with Pin Hole
Part #: 32068 Color: Light Gray Category: 12
Technic Axle 5
Technic Axle 5
Part #: 32073 Color: Black Category: 46
Technic Pin Double with Axle Hole
Technic Pin Double with Axle Hole
Part #: 32138 Color: Yellow Category: 53
Technic Beam 2 x 4 L-Shape Thick
Technic Beam 2 x 4 L-Shape Thick
Part #: 32140 Color: Black Category: 51
Tyre Offset Tread 24 x 8
Tyre Offset Tread 24 x 8
Part #: 3483 Color: Black Category: 29
Plate 1 x 3
Plate 1 x 3
Part #: 3623 Color: Yellow Category: 14
Tyre 43 x 17
Tyre 43 x 17
Part #: 3634 Color: Black Category: 29
Turntable 2 x 2 Plate - Top
Turntable 2 x 2 Plate - Top
Part #: 3679 Color: Light Gray Category: 18
Turntable 2 x 2 Plate, Base
Turntable 2 x 2 Plate, Base
Part #: 3680 Color: Blue Category: 18
Technic Brick 1 x 4 [3 Pin Holes]
Technic Brick 1 x 4 [3 Pin Holes]
Part #: 3701 Color: Green Category: 8
Technic Axle 12
Technic Axle 12
Part #: 3708 Color: Black Category: 46
Technic Steering Pulley Large
Technic Steering Pulley Large
Part #: 3736 Color: Light Gray Category: 25
Bracket 2 x 2 - 2 x 2
Bracket 2 x 2 - 2 x 2
Part #: 3956 Color: Light Gray Category: 9
Dish 4 x 4 Inverted [Radar]
Dish 4 x 4 Inverted [Radar]
Part #: 3960 Color: White Category: 21
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
Part #: 4032a Color: Blue Category: 21
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)
Part #: 4032a Color: White Category: 21
Plate Special 1 x 1 with Clip Vertical [Thick U Clip]
Plate Special 1 x 1 with Clip Vertical [Thick U Clip]
Part #: 4085c Color: Black Category: 9
Arm Grab Jaw Holder, 3 Fingers
Arm Grab Jaw Holder, 3 Fingers
Part #: 4220 Color: Yellow Category: 18
Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs]
Hinge Plate 1 x 2 with 3 Fingers [Hollow Studs]
Part #: 4275b Color: Black Category: 18
Hinge Tile 1 x 2 1/2 with 2 Fingers on Top
Hinge Tile 1 x 2 1/2 with 2 Fingers on Top
Part #: 4531 Color: Black Category: 18
Cone 1 x 1 [No Top Groove]
Cone 1 x 1 [No Top Groove]
Part #: 4589 Color: Yellow Category: 20
Cone 1 x 1 [No Top Groove]
Cone 1 x 1 [No Top Groove]
Part #: 4589 Color: White Category: 20
Technic Worm Gear
Technic Worm Gear
Part #: 4716 Color: Black Category: 52
Wire with Brick 2 x 2 x 2/3 Pair, 162L
Wire with Brick 2 x 2 x 2/3 Pair, 162L
Part #: 5306bc162 Color: Black Category: 45
Arm Piece with Pin, 2 Fingers
Arm Piece with Pin, 2 Fingers
Part #: 6048a Color: Black Category: 18
Creature Body Part, Dragon Wing
Creature Body Part, Dragon Wing
Part #: 6133 Color: Trans-Neon Orange Category: 75
Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle)
Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle)
Part #: 6553 Color: Light Gray Category: 12
Technic Cam
Technic Cam
Part #: 6575 Color: Light Gray Category: 26
Tyre 30.4 x 14 VR
Tyre 30.4 x 14 VR
Part #: 6578 Color: Black Category: 29
Technic Axle 3 with Stud
Technic Axle 3 with Stud
Part #: 6587 Color: Dark Gray Category: 46
Tyre 49.6 x 28 VR
Tyre 49.6 x 28 VR
Part #: 6594 Color: Black Category: 29
Wheel 49.6 x 28 VR (36.8 x 26) with Axle Hole
Wheel 49.6 x 28 VR (36.8 x 26) with Axle Hole
Part #: 6595 Color: White Category: 29
Tread Large, Technic [34 Links]
Tread Large, Technic [34 Links]
Part #: 71372 Color: Black Category: 29
Motor, 9V Mini [Old Style]
Motor, 9V Mini [Old Style]
Part #: 71427c01 Color: Light Gray Category: 45
Hose Rigid 3mm D. 19L / 15.2cm
Hose Rigid 3mm D. 19L / 15.2cm
Part #: 75c19 Color: Yellow Category: 30
Sensor, Touch
Sensor, Touch
Part #: 879 Color: Light Gray Category: 45
Technic Gear 24 Tooth Clutch with Dark Gray or Light Gray Center
Technic Gear 24 Tooth Clutch with Dark Gray or Light Gray Center
Part #: 76019 Color: White Category: 52
Cable, Serial, for IR Transmitter Tower
Cable, Serial, for IR Transmitter Tower
Part #: 71793 Color: Light Gray Category: 45
Technic Gear Differential, 24 -16 Tooth with Clutch on Both Sides
Technic Gear Differential, 24 -16 Tooth with Clutch on Both Sides
Part #: 6573 Color: Dark Gray Category: 52
Brick Separator v1.0
Brick Separator v1.0
Part #: 6007 Color: Dark Gray Category: 56
Plate 6 x 10
Plate 6 x 10
Part #: 3033 Color: Light Gray Category: 14
Sensor, Light with Fixed Cable
Sensor, Light with Fixed Cable
Part #: 2982c01 Color: Blue Category: 45
CD-Rom, for 9747 [RIS v1.5]
CD-Rom, for 9747 [RIS v1.5]
Part #: upn0134 Color: [No Color/Any Color] Category: 17
Hub, RCX 1.0, No Power Jack [Complete Assembly]
Hub, RCX 1.0, No Power Jack [Complete Assembly]
Part #: 884b Color: Yellow Category: 45
Transmitter Tower, IR, Serial with Black Front
Transmitter Tower, IR, Serial with Black Front
Part #: 76091 Color: Dark Gray Category: 45

Charts Inventory Statistics

131
Unique Parts
729
Total Pieces
0
Minifigures
Inventory Version: 1

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