Gear set to expand your TeacherGeek ideas.

The TeacherGeek 40 Piece Multi-Color Gear Set contains ten each of the following sizes: 50 tooth, 40 tooth, 20 tooth, 10 tooth. These are used to create gear transmissions such as for vehicles, wind turbines, lifts, pumps or whatever you wish to gear up or down for the desired output. The splined holes grip the dowel axle for a secure non-slip fit.

Multi-Color Set includes:

•10 - 10 tooth gears
•10 - 20 tooth gears
•10 - 40 tooth gears
•10 - 50 tooth gears