This is 75 pcs. Gears Assorted Kit for DIY Robotics and Household Repair. The Gear Package includes 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.

There are multipurpose use of these gears like you can use it to fix the toys, Great for DIY science and small production, product design and mechanical model.

Most gear is 2mm aperture (tight or loose), in addition to the two-spindle hole are 2.3mm and 3.17mm. It includes worm gears, crown gears and a couple of other gears, suitable for DIY model production technology. This is the most complete gear set, includes 75 kinds of gear parts. It can meet your DIY needs.

These gears are used in laboratories, science education, and DIY models and RC-airplane/helicopter repair, as well as many household repairs like old music system etc. its a great toolkit for promoting DIY abilities, improving children's, teens hands-on skills and divergent thinking.

• Material: plastic;
• colour: white, orange, Blue, yellow

Package Includes:

1 x Gears for Assorted Kit for DIY Robotics and Household Repair-75 Pieces.