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Feature

You get everything exactly as pictured!
Full list of everything below.
Science Projects, robots, race cars, trucks, DIY activities, replacement parts
A variety of sizes and styles.

Description

You get:
Single gear: 8 kinds, the largest model 482A
Spindle gear: 9 kinds, the largest model 142A
Double gear: 12 species, the largest model 46082A
Pulleys: 7 kinds, the largest model 242A
Crown gear: 9 kinds, the largest model C323A
Blue motor gear: two kinds
Belt: four kinds
Sleeve: four kinds
Worm: two kinds
Rack: one kind
Copper teeth: one kind
Bevel: one kind