1. Motion: The motion machine has simple shape, and complex design, which can keep the ball rolling all the time, and can be used as a toy or decoration. 2. ABS, Stainless Steel Material: The motion machine is made of premium ABS material, and the wire is made of stainless steel, which is colorful and . 3. Educational Toy: This machine toy is very suitable for children to enjoy the charm of scientific physics, improve their ability to explore the mysteries of science, and bring them great happiness and curiosity. 4. Easy Using: The toy operates with no noise, it can work for 4 to 5 hours after 1 charge. Touch switch is convenient for your use. 5. Gifts for People: This interesting toy is an ideal gift for your friends, family and colleagues. Very tasteful gift! Item Type: Motion Machine Desk Toy Battery: Polymer lithium battery 2000mah (shipped with built in battery) Weight: . 700 g / 24.7 oz Color: Material: ABS+Stainless steel Package Contents: 1 * Motion Machine Desk Toy 1 * Charging Cable 5 * Marble 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.