Plastic Revolving Ball Rotation Perpetual Motion Home Table Decoration Model

Features: 1. Featuring elegant and innovative design, perfect gift for 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