Perpetual Motion Ferris Wheel Easy Assemble Educational Desk Toy Premium

Feature: \n 1. Easy to Install: The electromagnetic revolving ball is easy to install and remove. Great for friends and family. Even people who have never touched it can easily install the model.\n2. Educational Toy: The perpetual motion ferris wheel is rotated by magnetic system, which is a good teaching model for your children.\n3. Desk Relaxing Toy: This perpetual motion desk toy can keep your concentration, remove stress, or during working hours or brainstorming meetings.\n4. Great Decoration: Full of a sense of future science and technology, this machine can be used as a home or office desk decoration to surprise your guests and friends.\n5. Wide Purpose: Widely used for advertising display, children learning and education, teaching toy, home office desktop decoration, business gifts, etc. \n\nSpecification: \n\nItem Type: Perpetual Motion Revolving Ball\nMaterial: Plastic\nAssembly Size: Approx. 16.5x11x20.5cm/6.5x4.3x8.1in\nBase Battery: 4 x AA (not included)\n: