How does this little machine keep going and going? It's not magic - it's physics! The Perpetual Marble Machine is a unique kinetic art sculpture that captivates viewers with its incredible perpetual motion and mesmerizing design. This one-of-a-kind piece of art is sure to become the centerpiece of any home or office. The Perpetual Marble Machine is a piece of physical art that can both entertain guests and add dimension to your space. It's perfectly designed to perform the same motion time and time again, creating a peaceful flow of energy. This premium Perpetual Marble Machine features a natural wooden frame that will fit perfectly with any home's style. It comes with a smooth silver ball that slides down a steep slide that propels it back to the platform. FEATURES AND BENEFITS: The toys show the conservation of momentum and energy, creating perpetual motion that is ideal for desktop display. Suitable for children to experience the fun of mechanics in the process of playing with this fun gadget. It is also a perfect decoration for desks and tables, whether at the office or at home. It will provide relaxing entertainment and be the center of attention no matter where. This product is powered by electromagnetic. The wooden parts are made of very high-quality wood. The wire is made from stainless steel. SPECIFICATIONS: Style: Modern Material: Wood Size: 23cm*19cm*12cm