Bluemoona 84 Pcs - Pulley combination Modulus Plastic Gears Kits Pulley Belt Sha

Material:Plastic 1package=84pcs Pulley : 62A(5PCS) 102B(5PCS) 92A(5PCS) 122B(5PCS) 132A(5PCS) 182A(5PCS) 16.82A(5PCS) 242A(5PCS) Rubber band: 1.5 * 1.5 * 19MM yellow rubber band (10PCS) 1.5 * 1.5 * 28MM yellow rubber band (10PCS) 1.5 * 1.5 *...