Revolving Airplane
Revolving Plane. Great addition to any desk. This plane demonstrates how kinetic and perpetual motion works. spin it and watch how long it spins for, If there was no resistance, the plane would spin forever!
Revolving Plane. Great addition to any desk. This plane demonstrates how kinetic and perpetual motion works. spin it and watch how long it spins for, If there was no resistance, the plane would spin forever!
