[Versatile Use]- The perpetual motion is not only a toy but also a multipurpose tool suitable for advertising displays, educational purposes, home and office decor, business gifts, birthday gifts, and Christmas presents. [Easy Setup]- Ensure you have a hassle-easy experience with our perpetual motion desk toy. It is designed to be easy to assemble and disassemble, providing you with a convenient and effortless way to set up this gadget. [Futuristic Design]- The physics toys features a controlled magnetic system, allowing it to swing with a sense of future and technology, making it a visually breathtaking gadget. [Enhance Creativity]- Let your juices flows with the executive desk toys. Designed for creators, makers, thinkers and anyone who wishes to tap into their inner creativity and imagination. [Stress Relief]- Fidgeting with perpetual motion machine can help you stay focused, alleviate stress, or simply relax during work hours or brainstorming sessions, making it an excellent anti-stress tool. Material: Plastic Color: As shown Install 4 AA batteries; this model does not come with batteries Package Contents: 1 x Perpetual motion machine Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.