This Colorful Plastic Motor Gear Assorted Kit doesn’t just include gears and pullies, there are also propellers! This motor accessory pack includes a variety of smaller gears with different shaft mounting types, pullies, and elastics to create elaborate pulley systems and wind-up drives. These can then be used to drive the included propellers to create all sorts of interesting projects!

The Gear Package includes different types of spindle, single/double crown gear, pulley, rack, bevel gear, copper gear, bushings, axles, tires, rubber bands, and so on, more accessories that you need for DIY toy cars/robots/motors. The gears and pulleys are for use with most small hobby motors and our 2mm and 3mm shafts.

Multi-uses, you can use it to fix the toys, Great for DIY science and small production, product design, and mechanical model.