Features: 1. Multi-Uses,Great For Diy Science And Small Production, Product Design And Mechanical Model. 2. The Products Are For Toys Spindle Gear Spare Parts, Suitable For Diy Model Technology Production. 3. It Includes Worm Gears,Crown Gears And A Couple Of Other Gears, Suitable For Diy Model Production Technology. 4. The Plastic Diy Gears Kits Are For Motor Gear Spare Parts Package, Many Uses, Fun To Use And Learn.
Package Included: Belt Wheel: 40Pcs Belt: 44Pcs
Note: Please Pay Attention To The Size Before You Buy It.