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“Robotics Invention System, Version 1.0” is LEGO® “RCX” theme set number 9719. Released in 1998, it has 737 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.
Part breakdown 143 types
Color split (most first)
Black×296
Light Gray×289
Yellow×48
Green×30
White×23
Dark Gray×21
Blue×18
Dark Turquoise×4
Purple×4
[No Color/Any Color]×2
Trans-Neon Orange×2
Main parts (most used first)
3713 Technic Bush
Light Gray · ×40
3001 Brick 2 x 4
Black · ×25
2780 Technic Pin with Friction Ridges Lengthwise and Center Slots
Black · ×24
3673 Technic Pin without Friction Ridges Lengthwise
Light Gray · ×24
3003 Brick 2 x 2
Black · ×20
3004 Brick 1 x 2
Black · ×20
3023 Plate 1 x 2
Light Gray · ×20
32002 Technic Pin 3/4
Dark Gray · ×16
32123a Technic Bush 1/2 Smooth with Axle Hole Reduced
Light Gray · ×16
3749 Technic Axle Pin without Friction Ridges Lengthwise
Light Gray · ×16
3040b Slope 45° 2 x 1 with Bottom Pin
Black · ×12
3700 Technic Brick 1 x 2 [1 Pin Hole]
Black · ×12
3482 Wheel with Split Axle hole
Yellow · ×10
3666 Plate 1 x 6
Light Gray · ×10
3701 Technic Brick 1 x 4 [3 Pin Holes]
Black · ×10
3710 Plate 1 x 4
Light Gray · ×10
2730 Technic Brick 1 x 10 [9 Pin Holes]
Black · ×8
3007 Brick 2 x 8
Black · ×8
3022 Plate 2 x 2
Light Gray · ×8
3024 Plate 1 x 1
Light Gray · ×8
32028 Plate Special 1 x 2 with Door Rail
Light Gray · ×8
32062 Technic Axle 2 Notched
Black · ×8
32064c Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Ridges
Re:GO is an unofficial service and is not affiliated with the LEGO Group. LEGO® is a trademark of the LEGO Group. Data is based on Rebrickable and others.