Small Gear Wheels (9900-1) is a Technic LEGO set released in 1999 with 21 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 9 unique part types.
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Parts in this set
9 parts · updating…
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Motor Pulley, 9V Micromotor with axle hole2983 · ×2 · Light Gray -
Technic Gear 14 Tooth Bevel4143 · ×4 · Light Gray -
![Technic Gear 16 Tooth with Round Holes [Old Style]](https://cdn.rebrickable.com/media/parts/ldraw/7/4019.png)
Technic Gear 16 Tooth with Round Holes [Old Style]4019 · ×2 · Light Gray -
![Technic Gear 24 Tooth [New Style with Single Axle Hole]](https://cdn.rebrickable.com/media/parts/elements/364802.jpg)
Technic Gear 24 Tooth [New Style with Single Axle Hole]3648b · ×2 · Light Gray -
![Technic Gear 24 Tooth Crown with Reinforcements [New Style]](https://cdn.rebrickable.com/media/parts/elements/365002.jpg)
Technic Gear 24 Tooth Crown with Reinforcements [New Style]3650c · ×2 · Light Gray -
Technic Gear 8 Tooth3647 · ×3 · Light Gray -
Technic Gear Rack 1 x 43743 · ×2 · Light Gray -
![Technic Wedge Belt Wheel [aka Pulley]](https://cdn.rebrickable.com/media/parts/elements/4100502.jpg)
Technic Wedge Belt Wheel [aka Pulley]4185 · ×2 · Light Gray -
Technic Worm Gear4716 · ×2 · Black