69pcs Plastic Gear Motor Gear DIY Gear Box Robot Model Single Double Layer Crown Gear Spindle Set

69pcs Plastic Gear Motor Gear DIY Gearbox Robot Model Single Double Layer Crown Gear Spindle Set Description: Material:plastic Type:spindle gear,sinple gear, double gear, crown gear, MXL gear, teeth strip Quantity:69pcs Feature: 69pcs plastic gear set Included various type gears, you can use it to DIY your motor projects or repair your toys Package included: 1X DIY Plastic Gear Set(69pcs)