19Pcs Plastic Diy Robot Gear Kit Gearbox Motor Gear Set Gear Worm Compatible For Diy Car Robot Rc Model Helicopter Remote Control Aircraft (Modulus

Material:Plastic 0.4 Modulus Colorful Gear Shaft Sleeve For DIY Toy Car Model Quantity=19 pcs Specification: 1.Coloful Gear:36102B purple,40102B yellow,C36102B light yellow,C36102B light purple,40102B red,401.8A hexagonal red,C36102B light red,60.8A,80.8A 2.Metal Brass Gear:81A,91A 3.3-Channel Shaft Sleeve:3 colors,shaft sleeve 3 kinds,4-channel shaft sleeve 1pc 4.Modulus:0.4