Rotating Perpetual Steel Balance Ball Motion Physical Science Pendulum Toy Living Room

Label:Yes Packing list: 1Pc pendulum ball (the product is shipped without battery) Material: plastic+metal Style: modern art Power supply: driven by 4 AA batteries (the product does not include batteries) Process: electroplating Recommend age:above 3 years old

1. brand new and high quality 2. It can be placed on a table or shelf, it will be a great view of your home or office. 3. After installing 4 batteries, move it gently, it will keep shaking. 4. Whether it is at home, living room, study or desk, it is a beautiful landscape and creative decoration design. Not only the pendulum is shown, but also the laws of conservation of momentum and energy. 5. It is a special gift for Christmas, birthday, Children's Day, Thanksgiving and other festivals.