Mechanical Model Accessories Cog Wheel Gear Pulley 60 Kinds Children DIY
Pulley: 7, the largest type is 242A. Blue motor gear: 2 kinds. Rack: 1 kinds. 1 60 kinds of gear bags. Belt: 4 kinds. Shaft sleeve: 4 kinds. Worm: 2 kinds. Copper teeth: 1 kinds.