Toysmith: Mini Jupiter Mobile – Kinetic Desktop Toy
Perpetual motion is the concept of a device capable of moving indefinitely without an external source of power. It's motion is self-propelled and continuous for great lengths of time. Infinite motion is not currently possible because of the laws of thermodynamics, however, you can experience and be amazed at just how long this device will continue to swing after the first drop.
Features:
- Mini Jupiter is a fascinating perpetual motion desktop toy.
- Set it in motion and watch it tumble and spin.
- Requires 9V battery (not included).
Suitable for ages 8 & up