Item Type: Electronic Perpetual Motion Toy Material: Metal, Plastic Size: Approx. 22x10.5x25cm/8.7x4.1x9.8in Power Supply Mode: USB Plug Magnetic Swing: Assemble the swing, install four AA batteries, gently move the middle part with your hand, and it will swing from side to side. It is suitable for desk decoration and even more suitable for sending to friends and relatives. 1. EASY TO PLAY: Gently move the middle part with your hand, and the electronic perpetual motion toy will swing from side to side. 2. METAL TEXTURE: The modern design of the perpetual motion toy is simple and delicate, with a metal texture, providing visual appeal. 3. DESK RELAXATION TOY: The perpetual motion model will captivate you and anyone who sees it for hours, and can relax you during work. 4. WIDE PURPOSE: The perpetual motion toy is very suitable for home decoration, studio or office, table decoration, etc. 5. EDUCATIONAL TOY: The perpetual motion decor is also applicable as a birthday gift for children, which is a good teaching model. 1 x Electronic Perpetual Motion Toy 1 x Base 1 x USB Cable