Perpetual Motion Machine USB Battery Dual Use Ferris Wheel Balance Toy Tabletop Decorative

Feature: 1. Stable Oscillation: This perpetual motion machine sits on a stable table and will happily oscillate when powered on or when the battery is not depleted, until the energy supply stops. 2. Classic Tabletop Ornament: This is a classic tabletop accessory that"s simple, stylish, fun, beautiful and elegant, it"s art in motion. 3. Stress Relief: Use this cool perpetual motion desk toy for occasional stress relief and relaxation when you keep it on your home desk. 4. Provides Fun: This classic tabletop toy offers you a lot of fun and is a fun device that not only demonstrates pendulum motion but also helps to show the laws of momentum and conservation of energy. 5. Widely Applicable: This perpetual motion ornament is suitable for various places, and can be used as ornaments in homes, office desks, shopping malls, entertainment places and other places. Specification: Item Type: Perpetual Motion Machine Material: Plastic Frame, Wrought Iron Gross Weight: 310g / 10.9oz Product Principle: make it swing with external force by hand and then use the energy transformed by the battery to continue to swing until the battery is no power Battery: the product does not contain batteries, you need to bring four AA batteries. Package List: 1 x Ornament2 x Bracket1 x Base1 x USB Cable