Simple Machines (9975-1) is a Technic LEGO set released in 1987 with 122 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 14 unique part types.
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Parts in this set
14 parts · updating…
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Plate 1 x 43710 · ×16 · Red -
Technic Axle 123708 · ×4 · Black -
Technic Axle 43705 · ×4 · Black -
Technic Axle 63706 · ×6 · Black -
Technic Axle and Pin Connector3651 · ×8 · Light Gray -
![Technic Brick 1 x 12 [11 Pin Holes]](https://cdn.rebrickable.com/media/parts/elements/389523.jpg)
Technic Brick 1 x 12 [11 Pin Holes]3895 · ×8 · Blue -
![Technic Brick 1 x 2 [1 Pin Hole]](https://cdn.rebrickable.com/media/parts/elements/370023.jpg)
Technic Brick 1 x 2 [1 Pin Hole]3700 · ×12 · Blue -
![Technic Brick 1 x 8 [7 Pin Holes]](https://cdn.rebrickable.com/media/parts/elements/370223.jpg)
Technic Brick 1 x 8 [7 Pin Holes]3702 · ×8 · Blue -
Technic Bush3713 · ×4 · Light Gray -
![Technic Gear 24 Tooth [Old Style - Three axle holes]](https://cdn.rebrickable.com/media/parts/ldraw/7/3648a.png)
Technic Gear 24 Tooth [Old Style - Three axle holes]3648a · ×12 · Light Gray -
Technic Gear 24 Tooth Crown with Flat Teeth3650a · ×4 · Light Gray -
Technic Gear 8 Tooth3647 · ×12 · Light Gray -
Technic Pin without Friction Ridges Lengthwise3673 · ×8 · Light Gray -
![Technic Plate 2 x 4 [3 Holes]](https://cdn.rebrickable.com/media/parts/elements/370921.jpg)
Technic Plate 2 x 4 [3 Holes]3709 · ×16 · Red