5 Mph Dc Motor Car

This 5 MPH car is not controlled but can be controlled by a remote and Receiver. Please comment below on how I can make it better.
Supplies
2 Battery Packs
Wires
2 Dc Motors
Recycled Box
Gears
Small Metal Rod
Wheels


Get a small piece of cardboard and put a axle and 2 wheels on it.
Cardboard


Put the 2 Battery Packs on and put another piece of Cardboard on for the next set of wheels.
Wiring



Cut slots for the wires and put them in. Lastly test it out it goes Pretty fast.Solder The Wires and your ready to go.