Perpetual Movement Electronic Perpetual Magnetic Movement Kinetic Art Decoration AsteroidBalance ball: our electric electric ball is surrounded by a ring, spinning like a ferris wheel. It is a kind of decoration and can also be used as a tool for elementary school students to explain physics. High quality materials: Our electric electric ball is made of metal, with a smooth surface and a beautiful silver chandelier. Exquisite workmanship. . 3D visual experience: three-dimensional sense and realism. put in batteries, it will continue to keep turning it off or off. Scientific model: It is also ideal for those enthusiastic about science or demonstrating the laws of physics in science rooms . The classic and funny toy will make you feel how charming science is .. Multi-Use: Great for table decoration accessories etc. etc. Vouchers for birthday gifts and toy kids.