Kinetic Art Perpetual Motion Machine Desk Toy for Home Office, Perpetual Motion Simulator Non-Stop Rolling Ball Toys Science Physics Gadget, Newtons Kinetic Desktop Decoration Toys
- Wide range of application: It’s a classic desk accessory is art-in-motion. This cool desk toy will be a good icebreaker when you lay it in your office desk or your home desk. It's also perfect for outer space science themed classes , or anyone with a passion for science or demonstrating the laws of physics in science class, a great teaching tool for explaining eternal physics..