Product Name: perpetual instrumentMaterial: Metal + plasticMagnetic swing: like a three-dimensional globe、 mounted on four AA batteries section、 hand gently moving about、 you swing around it without stop、 on the desk would be a beautiful landscape is a crosswalks wiggler.Size:approx 23.3cm*10.8cmWeight: 216g(with paper box)Package Included:1 X Perpetual Motion Kinetic Toy(Here is not Including the batteries)