This kinetic art, “perpetual motion” toy is the perfect sensory addition to your Science Cave!
Perpetual motion is the concept of a self-propelled device capable of moving indefinitely without an external source of power. The laws of thermodynamics prevent infinite motion from being achieved. But, set this device in motion and you’ll be curious and fascinated as it spins and moves for hours!
A curious device to learn more about magnetics and physics.
Requires one 9V battery not included.
