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

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

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.