LEGO Robotics Invention System, Version 2.0 set 3804

🏛 RCX

Set #3804

Robotics Invention System, Version 2.0

Discover the Robotics Invention System, Version 2.0 from the RCX collection - 720 pieces of building excellence.

⏱ 4-8 hr 🧩 720 pcs

Loading...

Analyzing This Set...

BlockTalk, our AI is generating detailed insights for Robotics Invention System, Version 2.0. Sections will appear as they're ready.

Our Take

Ask BlockTalk

Building Experience

Investment Potential

Similar Sets

📦 Full Parts Inventory - 132 unique parts • 687 total pieces

Transmitter Tower, IR, USB Cable, with Black Front

Transmitter Tower...

Part #: 23319c01 1× Dark Gray

Tyre 30 x 10.5 Offset Tread

Tyre 30 x 10.5 Of...

Part #: 2346 4× Black

Wedge Plate 3 x 6 Cut Corners

Wedge Plate 3 x 6...

Part #: 2419 2× Green

Plate 2 x 2 Corner

Plate 2 x 2 Corner

Part #: 2420 8× Light Gray

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

Plate Round 2 x 2...

Part #: 2654 2× Black

Technic Brick 1 x 10 [9 Pin Holes]

Technic Brick 1 x...

Part #: 2730 8× Black

Technic Pin with Friction Ridges Lengthwise and Center Slots

Technic Pin with ...

Part #: 2780 1× Black

Technic Wedge Belt Wheel Tire

Technic Wedge Bel...

Part #: 2815 2× Black

Plate Special 2 x 2 with 2 Pin Holes

Plate Special 2 x...

Part #: 2817 4× Light Gray

Technic Beam 1 x 4 Thin with Stud Connector

Technic Beam 1 x ...

Part #: 2825 2× Light Gray

Technic Engine Crankshaft Center

Technic Engine Cr...

Part #: 2854 2× Light Gray

Tyre 81.6 x 15 Motorcycle

Tyre 81.6 x 15 Mo...

Part #: 2902 4× Black

Wheel 61.6 x 13.6 Motorcycle

Wheel 61.6 x 13.6...

Part #: 2903 4× White

Sensor, Light with Fixed Cable

Sensor, Light wit...

Part #: 2982c01 1× Blue

Motor Pulley, 9V Micromotor with axle hole

Motor Pulley, 9V ...

Part #: 2983 2× Light Gray

Wheel Rim 24 x 14 VR with Center Axle Hole

Wheel Rim 24 x 14...

Part #: 2994 2× White

Part #: 3001 5× Black

Part #: 3003 20× Black

Part #: 3004 4× Yellow

Part #: 3004 20× Black

Part #: 3020 6× Yellow

Part #: 3022 4× Blue

Part #: 3022 2× Green

Part #: 3022 8× Light Gray

Part #: 3023 20× Light Gray

Part #: 3024 8× Light Gray

Part #: 3033 1× Light Gray

Part #: 3034 4× Green

Slope 45° 2 x 1 with Bottom Pin

Slope 45° 2 x 1 w...

Part #: 3040b 4× Yellow

Slope 45° 2 x 1 with Bottom Pin

Slope 45° 2 x 1 w...

Part #: 3040b 12× Black

Technic Plate 2 x 6 [5 Holes]

Technic Plate 2 x...

Part #: 32001 4× Light Gray

Technic Pin 3/4

Technic Pin 3/4

Part #: 32002 16× Dark Gray

Technic Tread Hub

Technic Tread Hub

Part #: 32007 4× White

Technic Beam 1 x 11.5 Double Bent Thick

Technic Beam 1 x ...

Part #: 32009 4× Yellow

Technic Axle and Pin Connector Angled #1

Technic Axle and ...

Part #: 32013 4× Blue

Technic Axle and Pin Connector Angled #5 - 112.5°

Technic Axle and ...

Part #: 32015 4× Light Gray

Technic Beam 1 x 5 Thin

Technic Beam 1 x ...

Part #: 32017 4× Light Gray

Plate Special 1 x 2 with Door Rail

Plate Special 1 x...

Part #: 32028 8× Light Gray

Technic Axle and Pin Connector Angled #2 - 180°

Technic Axle and ...

Part #: 32034 2× Blue

Technic Axle Connector with Axle Hole

Technic Axle Conn...

Part #: 32039 2× Light Gray

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

Technic Pin Long ...

Part #: 32054 4× Blue

Technic Beam 3 x 3 L-Shape Thin

Technic Beam 3 x ...

Part #: 32056 4× Light Gray

Technic Axle 2 Notched

Technic Axle 2 No...

Part #: 32062 10× Black

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

Technic Brick 1 x...

Part #: 32064c 4× Green

Technic Beam 1 x 7 Thin

Technic Beam 1 x ...

Part #: 32065 4× Black

Technic Axle and Pin Connector Perpendicular 3L with Pin Hole

Technic Axle and ...

Part #: 32068 2× Light Gray

Part #: 32073 2× Black

Technic Bush 1/2 Smooth with Axle Hole Reduced

Technic Bush 1/2 ...

Part #: 32123a 18× Light Gray

Technic Modular Connector

Technic Modular C...

Part #: 32137 4× Trans-Dark Blue

Technic Pin Double with Axle Hole

Technic Pin Doubl...

Part #: 32138 2× Yellow

Technic Beam 2 x 4 L-Shape Thick

Technic Beam 2 x ...

Part #: 32140 2× Black

Part #: 3460 8× Light Gray

Wheel with Split Axle hole

Wheel with Split ...

Part #: 3482 6× Yellow

Tyre Offset Tread 24 x 8

Tyre Offset Tread...

Part #: 3483 2× Black

Part #: 3623 2× Yellow

Part #: 3634 2× Black

Technic Gear 8 Tooth

Technic Gear 8 Tooth

Part #: 3647 1× Light Gray

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

Technic Gear 24 T...

Part #: 3648b 4× Light Gray

Technic Gear 40 Tooth

Technic Gear 40 T...

Part #: 3649 4× Light Gray

Technic Gear 24 Tooth Crown with Reinforcements [New Style]

Technic Gear 24 T...

Part #: 3650c 4× Light Gray

Slope Inverted 45° 2 x 1

Slope Inverted 45...

Part #: 3665 4× Yellow

Slope Inverted 45° 2 x 1

Slope Inverted 45...

Part #: 3665 4× Black

Part #: 3666 10× Light Gray

Technic Pin without Friction Ridges Lengthwise

Technic Pin witho...

Part #: 3673 24× Light Gray

Turntable 2 x 2 Plate - Top

Turntable 2 x 2 P...

Part #: 3679 2× Light Gray

Turntable 2 x 2 Plate, Base

Turntable 2 x 2 P...

Part #: 3680 2× Blue

Technic Brick 1 x 2 [1 Pin Hole]

Technic Brick 1 x...

Part #: 3700 12× Black

Technic Brick 1 x 2 [1 Pin Hole]

Technic Brick 1 x...

Part #: 3700 4× Yellow

Technic Brick 1 x 4 [3 Pin Holes]

Technic Brick 1 x...

Part #: 3701 10× Black

Technic Brick 1 x 4 [3 Pin Holes]

Technic Brick 1 x...

Part #: 3701 2× Green

Technic Brick 1 x 8 [7 Pin Holes]

Technic Brick 1 x...

Part #: 3702 8× Black

Technic Brick 1 x 16 [15 Pin Holes]

Technic Brick 1 x...

Part #: 3703 6× Black

Part #: 3705 7× Black

Part #: 3706 8× Black

Part #: 3707 7× Black

Technic Axle 12

Technic Axle 12

Part #: 3708 2× Black

Technic Plate 2 x 4 [3 Holes]

Technic Plate 2 x...

Part #: 3709 4× Light Gray

Part #: 3710 10× Light Gray

Part #: 3713 40× Light Gray

Technic Steering Pulley Large

Technic Steering ...

Part #: 3736 2× Light Gray

Technic Axle 10

Technic Axle 10

Part #: 3737 4× Black

Technic Plate 2 x 8 [7 Holes]

Technic Plate 2 x...

Part #: 3738 8× Light Gray

Technic Gear Rack 1 x 4

Technic Gear Rack...

Part #: 3743 4× Light Gray

Slope Inverted 33° 3 x 2 [No Connections between Studs]

Slope Inverted 33...

Part #: 3747a 4× Black

Technic Axle Pin without Friction Ridges Lengthwise

Technic Axle Pin ...

Part #: 3749 16× Light Gray

Part #: 3832 6× Light Gray

Technic Brick 1 x 6 [5 Pin Holes]

Technic Brick 1 x...

Part #: 3894 8× Black

Technic Brick 1 x 12 [11 Pin Holes]

Technic Brick 1 x...

Part #: 3895 6× Black

Brick Round 2 x 2 with Axle Hole

Brick Round 2 x 2...

Part #: 3941 8× Black

Bracket 2 x 2 - 2 x 2

Bracket 2 x 2 - 2...

Part #: 3956 2× Light Gray

Dish 4 x 4 Inverted [Radar]

Dish 4 x 4 Invert...

Part #: 3960 2× White

Cable, Fiber Optics, Wide 25L / 20.0cm

Cable, Fiber Opti...

Part #: 40002c25 1× Trans-Clear

Technic Gear 16 Tooth with Round Holes [Old Style]

Technic Gear 16 T...

Part #: 4019 4× Light Gray

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

Plate Round 2 x 2...

Part #: 4032a 2× Blue

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

Plate Round 2 x 2...

Part #: 4032a 2× White

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

Plate Special 1 x...

Part #: 4085c 2× Black

CD-Rom, for 3804 [RIS v2.0]

CD-Rom, for 3804 ...

Part #: 4142876 1× [No Color/Any Color]

Playmat, Test Mat for Mindstorms Robotics Invention System [v2.0]

Playmat, Test Mat...

Part #: 4153678 1× [No Color/Any Color]

Technic Wedge Belt Wheel [aka Pulley]

Technic Wedge Bel...

Part #: 4185 4× Light Gray

Arm Grab Jaw Holder, 3 Fingers

Arm Grab Jaw Hold...

Part #: 4220 2× Yellow

Part #: 4221 4× Black

Technic Pin 1/2

Technic Pin 1/2

Part #: 4274 8× Light Gray

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

Hinge Plate 1 x 2...

Part #: 4275b 2× Black

Part #: 4477 6× Light Gray

Part #: 4519 3× Black

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

Hinge Tile 1 x 2 ...

Part #: 4531 2× Black

Cone 1 x 1 [No Top Groove]

Cone 1 x 1 [No To...

Part #: 4589 2× White

Cone 1 x 1 [No Top Groove]

Cone 1 x 1 [No To...

Part #: 4589 2× Yellow

Technic Worm Gear

Technic Worm Gear

Part #: 4716 2× Black

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

Wire with Brick 2...

Part #: 5306bc020 4× Black

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

Wire with Brick 2...

Part #: 5306bc162 2× Black

Brick Separator v1.0

Brick Separator v1.0

Part #: 6007 1× Dark Gray

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

Plate Special 1 x...

Part #: 6019 2× Black

Arm Piece with Pin, 2 Fingers

Arm Piece with Pi...

Part #: 6048a 2× Black

Creature Body Part, Dragon Wing

Creature Body Par...

Part #: 6133 2× Trans-Neon Orange

Plate Round 1 x 1 with Solid Stud

Plate Round 1 x 1...

Part #: 6141 2× Blue

Plate Round 1 x 1 with Solid Stud

Plate Round 1 x 1...

Part #: 6141 1× White

Plate Round 1 x 1 with Solid Stud

Plate Round 1 x 1...

Part #: 6141 1× Black

Technic Axle and Pin Connector Perpendicular

Technic Axle and ...

Part #: 6536 6× Light Gray

Technic Axle Connector Ridged [with x Hole x Orientation]

Technic Axle Conn...

Part #: 6538b 4× Light Gray

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

Technic Axle 1.5 ...

Part #: 6553 2× Light Gray

Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots

Technic Pin Long ...

Part #: 6558 8× Black

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

Technic Gear Diff...

Part #: 6573 1× Dark Gray

Part #: 6575 2× Light Gray

Tyre 30.4 x 14 VR

Tyre 30.4 x 14 VR

Part #: 6578 2× Black

Technic Axle 3 with Stud

Technic Axle 3 wi...

Part #: 6587 2× Dark Gray

Technic Gear 12 Tooth Bevel

Technic Gear 12 T...

Part #: 6589 5× Light Gray

Tyre 49.6 x 28 VR

Tyre 49.6 x 28 VR

Part #: 6594 2× Black

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

Wheel 49.6 x 28 V...

Part #: 6595 2× White

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

Technic Beam 1 x ...

Part #: 6629 4× Black

Technic Beam 1 x 3 Thin

Technic Beam 1 x ...

Part #: 6632 4× Light Gray

Tread Large, Technic [34 Links]

Tread Large, Tech...

Part #: 71372 2× Black

Motor, 9V Mini [Old Style]

Motor, 9V Mini [O...

Part #: 71427c01 2× Light Gray

Rubber Band Small 13mm (Square Cross Section)

Rubber Band Small...

Part #: 71509 1× Black

Hose Rigid 3mm D. 19L / 15.2cm

Hose Rigid 3mm D....

Part #: 75c19 2× Yellow

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

Technic Gear 24 T...

Part #: 76019 1× White

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

Hose, Ribbed 7mm ...

Part #: 78c09 4× Black

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

Hose, Ribbed 7mm ...

Part #: 78c09 4× Dark Turquoise

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

Hose, Ribbed 7mm ...

Part #: 78c12 4× Purple

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

Rubber Belt Small...

Part #: 85543 3× White

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

Technic Rubber Be...

Part #: 85545 3× Blue

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

Technic Rubber Be...

Part #: 85546 3× Yellow

Part #: 879 2× Light Gray

Hub, RCX 2.0, No Power Jack [Complete Assembly]

Hub, RCX 2.0, No ...

Part #: 884c 1× Yellow

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Searching for YouTube reviews...

This may take a moment

Included In These Sets

This set is packaged within the following gift sets and value packs

Inventory Statistics

132

Unique Parts

687

Total Pieces

0

Minifigures

Inventory Version: 1