5pcs 23×6.5mm Pulley for Toy Motor and DIY Project
5pcs 14×3.5mm Pulley for Toy Motor and DIY Project
6mm worm Gear Yellow Color Worm Drive
5pcs 11.65×5.65mm Dual Belt Pulley for Toy Motor and DIY Project
4×1.2 cm 28 Teeth Plastic Yellow Spur Gear and Pinion
2.8×0.7 cm 24 Tooth Small Spur Gear and Pinion Blue
2.0 X 0.5 cm 30 Tooth Spur Gear and Pinion Yellow
1.4 X 0.6 cm 19 Tooth Spur Gear and Pinion Blue
