This video tutorial shows us how we can Build our own electric car using an AA battery, a pair of disk magnets and foil. So simple is that it only circulates in a straight line, if you experiment with the magnets you will see that it can take different directions. An ideal project to do with the smallest of the house. Its purpose is merely playful and educational.
Related: How to make a homemade solar toy car.
This project provides the two main ingredients of an electric motor: an electric current flow and a strong magnetic field. The aluminum foil is conductive so it closes the circuit between the two poles and the battery, forming a magnetic field that makes the car move.