Chassis with 4 wheels and 4 TT motors robot base DIY (OT63272)

This 4WD Chassis Building Kit includes:
2pcs acrylic plates 4pcs wheels 4pcs TT motors 4pcs fasteners for the motor screws and nuts
Voltage: DC3-6VReduction ratio: 1:48 Rotational speed: 125 rpm Tire diameter: About 66mm Tire thickness: About 28mm