Very simple elastic band powered toy car.
You will need:
Elastic band
Thread
Glue (optional)
Print Toy Car 'Ls and Rs' and glue together
Print Wheels 'Ls and Rs'
Print Toy Car ' Drive'
Print Toy Car 'Top'
Thread the string through the hole in the roof of the body and onto the Drive part, tie a knot.
Thread the other end of the String through the 'Top' and also tie a knot.
Clip the wheels Ls and Rs into the body.
Roll the 'Drive' wheel anti clockwise so that the 'Top' is now flush to the roof.
Fix a elastic band on the cutouts of the left side and right side of the body, then put it though the drive wheel.
Pulling the 'Top' unravels the drive wheel and winds the elastic band, storing elastic energy within the elastic band. Once you release it the vehicle will move.