Plastic Shaft Crown Differential Gears DIY assorted kit – 11 kinds

Straight tooth crown gear DIY assorted Kit  Contains 11 different kinds of multipurpose plastic gear straight worm gear teeth, shaft gear, tooth crown, double reduction gear. Very useful to design any electro-mechanical project or prototype for a DIY science project and small production, product design, or mechanical model.

Package Includes:

• 1 x 11 Types Straight tooth crown gear DIY assorted Kit