Perpetual Motion, Desk Ornaments Accessories, Battery Powred Science Device Revolving Ball for Desk Decorations

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

Product Dimensions: 0.39 x 0.39 x 0.39 inches Item Weight: 0.634 ounces Country of Origin: China ASIN: B08XJY8VZ4 Item model number: Rosvolaustpnk9f6g Customer Reviews: 3.8 out of 5 stars Manufacturer: Rosvola