75 pieces of gears can fit each other, all combined with gears, these gears are suitable for the shaft.
– It contains worm, straight teeth, wave wheel, tooth crown, double reduction gear, etc. All are ideal for your DIY projects.
– A good choice to cultivate DIY skills, improve children’s and teens hands-on ability and develop different thinking.
– This small equipment set is easy to use and use. You can use the whole kit for great accessories for model making, all kinds of cars, robots etc.
Specification:
Material: plastic.
Color: As picture show
Type: 75 types
Box contents:
75 pieces / pack * plastic gear shaft.