About this product

1、Product Principle: Put it on a stable table, swing it with external force and then use the energy converted by the battery to continue swinging until the energy supply stops.

2、Relieve Stress: This is a classic tabletop accessory that is art in motion. Use this cool desk toy to relieve stress when you put it on your desk or home desk.

3、Science Demonstration: This perpetual motion desk toy not only demonstrates pendulum motion, it also helps to show the laws of momentum and conservation of energy.

4、Applications: This classic tabletop toy offers you a lot of fun and is a fun device to use in a variety of settings, such as the home or office.

5、Gifting Choice: This toy is perfect as a gift for children to improve their ability to explore scientific mysteries, and bring them great fun and curiosity.

Item Type: Perpetual Motion Machine

Material: Iron, plastic

Gross Weight: 318g / 11.2oz