Innovative Animal Shaped Decorative Perpetual Motion Machine Decompression Ornamental Toy for Home Decoration

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. Relieve Stress: This is a 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. Science Demonstration: This perpetual motion desk toy not only demonstrates motion, it also helps to show the laws of momentum and conservation of energy. Item Type: Perpetual Motion Machine Material: Iron, plastic Gross Weight: 318g Celsius 11.2oz Product Principle: Use external force to swing it and then use the energy converted by the battery to continue swinging until the battery is dead