🧱 Completeness checklist

Light Gray

22 types · 66 pieces

10×Technic Bush37138×Technic Pin without Friction Ridges Lengthwise36736×Technic Axle Pin without Friction Ridges Lengthwise37495×Technic Gear 8 Tooth36474×Plate 1 x 437104×Technic Axle and Pin Connector36514×Wheel with Split Axle hole34823×Technic Plate 1 x 4 with Toothed Ends42633×Technic Plate 1 x 6 with Toothed Ends42622×Plate 1 x 230232×Technic Bush 1/2 Toothed Type I [+ Opening]4265a2×Technic Gear 14 Tooth Bevel41432×Technic Gear 24 Tooth [Old Style - Three axle holes]3648a2×Technic Steering Arm42612×Tile 1 x 2 with Groove3069b1×Hose, Pneumatic 4mm D. 50L / 400mm5102c501×Plate 1 x 834601×Pneumatic Switch with Top Studs752151×Technic Gear 24 Tooth Crown with Flat Teeth3650a1×Technic Gear Rack 1 x 437431×Technic Pneumatic Distribution Block 2 x 4 [Complete Assembly]4692c011×Technic Wedge Belt Wheel [aka Pulley]4185

Black

15 types · 48 pieces

8×Technic Pin with Friction Ridges Lengthwise, without Center Slots44597×Plate 1 x 230234×Plate 2 x 330214×Technic Axle 637064×Technic Brick 1 x 2 [1 Pin Hole]37004×Tyre 43 x 1736343×Technic Axle 437052×Plate 1 x 437102×Plate 2 x 637952×Technic Axle 1037372×Technic Axle 837072×Technic Brick 1 x 16 [15 Pin Holes]37032×Technic Brick 1 x 8 [7 Pin Holes]37021×Brick 2 x 430011×Hose, Pneumatic 4mm D. 76L5102c76

Yellow

12 types · 46 pieces

10×Plate 1 x 230238×Technic Brick 1 x 2 [1 Pin Hole]37006×Technic Brick 1 x 8 [7 Pin Holes]37024×Plate 1 x 437104×Technic Brick 1 x 4 [3 Pin Holes]37012×Plate 1 x 636662×Plate 2 x 230222×Plate 4 x 830352×Technic Brick 1 x 12 [11 Pin Holes]38952×Technic Brick 1 x 6 [5 Pin Holes]38942×Technic Plate 2 x 4 [3 Holes]37092×Technic Plate 2 x 8 [7 Holes]3738

Red

2 types · 2 pieces

1×Pneumatic Cylinder with 1 Inlet Medium (48mm)4688c011×Pneumatic Pump Old Style4701c01

Tick a part when you've found them all. Your ticks are saved on this device. Counts are the official Rebrickable inventory for this set — spares included where the set ships them.