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82PCS/Set Plastic Gear Package Kit DIY Gear Assortment Accessories Set for Toy Car Robot Motor Various Gears Axle Belt Bushings

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11pcs J255 Module 0.5 11 Different kinds of Gears include Worm Shaft Gear Crown Gear Double-deck Reduction Gear DIY Making

10Pcs 125MM Plastic Gear Rack Drive Sprocket Synchronous Wheel Toy Accessories 83 Teeth Gear Bar