Robotics Discovery Set (9735-1) is a RCX LEGO set released in 1999 with 390 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 109 unique part types.
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Parts in this set
109 parts · page 1 of 3 · updating…
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Arm Piece with Pin, 2 Fingers6048a · ×2 · Black -
Ball 41mm72048 · ×2 · Yellow -
Brick 1 x 23004 · ×16 · Blue -
Brick 2 x 23003 · ×2 · Blue -
Brick 2 x 43001 · ×10 · Blue -
Brick 2 x 62456 · ×2 · Blue -
Brick Round 2 x 2 with Axle Hole3941 · ×4 · Blue -
Brick Round Corner 4 x 4 Full Brick2577 · ×4 · Blue -
![Dish 2 x 2 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/474001.jpg)
Dish 2 x 2 Inverted [Radar]4740 · ×2 · White -
![Dish 4 x 4 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/396001.jpg)
Dish 4 x 4 Inverted [Radar]3960 · ×2 · White -
Dome Hemisphere 4 x 4 Multifaceted30208 · ×2 · Trans-Neon Green -
Hinge Brick 1 x 2 Base3937 · ×2 · Black -
Hinge Brick 1 x 2 Top Plate Thin3938 · ×2 · Black -
Hose Rigid 3mm D. 16L / 12.8cm75c16 · ×2 · Yellow -
Hose Rigid 3mm D. 36L / 28.8cm75c36 · ×2 · Dark Turquoise -
Hose Rigid 3mm D. 44L / 35.2cm75c44 · ×2 · Yellow -
![Hub, Scout Brick [Complete Assembly]](https://cdn.rebrickable.com/media/parts/ldraw/1/32104c01.png)
Hub, Scout Brick [Complete Assembly]32104c01 · ×1 · Blue -
Launcher, Technic Competition Cannon, Round Bottom with Black Ends32074c02 · ×1 · Dark Turquoise -
![Motor, 9V Mini [Old Style]](https://cdn.rebrickable.com/media/parts/ldraw/7/71427.png)
Motor, 9V Mini [Old Style]71427c01 · ×2 · Light Gray -
Plate 1 x 104477 · ×2 · Light Gray -
Plate 1 x 23023 · ×14 · Light Gray -
Plate 1 x 33623 · ×4 · Light Gray -
Plate 1 x 43710 · ×4 · Light Gray -
Plate 1 x 43710 · ×2 · Yellow -
Plate 1 x 43710 · ×6 · Dark Turquoise -
Plate 1 x 63666 · ×2 · Light Gray -
Plate 1 x 83460 · ×2 · Light Gray -
Plate 2 x 103832 · ×2 · Light Gray -
Plate 2 x 23022 · ×2 · Light Gray -
Plate 6 x 103033 · ×2 · Light Gray -
Plate Round 1 x 1 with Solid Stud6141 · ×3 · Blue -
Plate Round 1 x 1 with Solid Stud6141 · ×3 · Light Gray -
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)4032a · ×2 · White -
![Plate Round 2 x 2 with Rounded Bottom [Boat Stud]](https://cdn.rebrickable.com/media/parts/elements/265426.jpg)
Plate Round 2 x 2 with Rounded Bottom [Boat Stud]2654 · ×2 · Black -
Plate Special 1 x 2 with 4 x 4 disk at 90 degrees30209 · ×2 · Blue -
Plate Special 1 x 2 with Door Rail32028 · ×4 · Light Gray -
Projectile, Technic Competition Arrow, Beam Shaft with Solid Black Rubber End76110c01 · ×2 · Yellow -
Rubber Band Small 13mm (Square Cross Section)71509 · ×4 · Black -
Sensor, Touch879 · ×2 · Light Gray -
Slope 33° 3 x 14286 · ×2 · Yellow -
Slope 45° 2 x 1 with Bottom Pin3040b · ×4 · Light Gray -
Slope Inverted 33° 3 x 2, Connections between Studs, Ovoid Bottom Pin3747b · ×2 · Blue -
Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle)6553 · ×2 · Light Gray -
Technic Axle 103737 · ×2 · Black -
Technic Axle 123708 · ×2 · Black -
Technic Axle 2 Notched32062 · ×4 · Black -
Technic Axle 34519 · ×2 · Black -
Technic Axle 3 with Stud6587 · ×2 · Dark Gray