Features:
1. Featuring elegant and innovative design, perfect festival, beautiful office desk decoration.
2. It is an excellent educational and science device to stimulate people's interest and exploration in physics.
3. This rotation model has several brightly colored balls that rotate like a sky wheel.
4. Swing it by hands and it would keep going on rocking around using the battery power.
5. Novel, intelligent design for children to have fun, it is also a piece of revolving art on your desk.

Specification:
Item Type: Perpetual Motion
Material: Plastic
Battery: 4 x AA Battery (Not Included)
Height: Approx. 22.5cm / 8.9in
Diameter: Approx. 17cm / 6.7in
Weight: Approx. 227g / 8oz

Package List:
1 x Perpetual Motion