【Kinetic Art and Science Display】: This celestial orbit sculpture simulates perpetual motion, offering endless kinetic fascination. It's the perfect perpetual motion desk toy to relieve stress and spark curiosity at any time. 【Magnetic Stability】: A silent defiance of gravity—the Galaxy Planetary Balance Mobile suspends celestial bodies in magnetic equilibrium, its weighted brass base anchoring cosmic chaos into a microcosm of perfect desk-bound astronomy. 【Effortless Perpetual Motion】: The battery-powered electronic perpetual motion device (batteries not included) starts with a gentle push, producing continuous stress-relieving motion, perfect for home or office environments 【Educational & Inspirational Gift】A brilliant way to demonstrate motion, balance, and physics, this perpetual motion device makes an excellent gift for students, science lovers, or anyone fascinated by kinetic art. 【Educational Physics Exploration】: With its orbiting design and planetary theme, this perpetual motion sculpture blends science and art—ideal for those who love astronomy-inspired desk toys. Features: 1. Battery-Powered Perpetual Motion Simulation (Batteries Not Included) 2. Magnetically Levitating the Earth, Orbiting Along Celestial Bodies 3. Sturdy Structure and Elegant Design 4. Suitable for Desktop Display, Gift Giving or Educational Display 5. Eye-Catching and Soothing Desktop Decoration Specifications: Product Name: Celestial Orbit Perpetual Motion Pendulum Product Color: Gold Product Net Weight: 700g Product Material: Abs+iron Product Size: About 22.9 X 5.6 X 22.5 Cm/9.02 X 2.2 X 8.86 Inches Power Supply: 4 Aa Batteries (Not Included) Packing List: 1 PCS * Celestial Orbit Perpetual Motion Pendulum Notes: 1.Due to manual measurement, please allow a difference of 1-5g/1-2cm. 2.Due to different displays and different lighting, the picture may not reflect the actual color of the item. Thank you for your understanding.