Create two boards covered in heavy duty aluminum foil. Using a Makey Makey, connect one board to Earth and the other board to Spacebar. Using painter's tape, tape both boards to the floor 12 inches away from each other.
Thank you Eric Turrill (https://twitter.com/RHEPE1) for the idea and example. Alabama PE Standards Transfer weight from one body part to another in self-space with both narrow and curled body shapes.