Magnetic Perpetual Motion Swing Ball Solar System Ornament Innovative Desk Decor for Home or Office

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About This [3D Ball Motion Display] Features a smoothly rotating alloy ball creating continuous movement for visual interest. [Dule Power Operation] Functions via USB cable or 4xAA batteries (batteries not included), offering flexible placement. [Educational Physics Model] Demonstrates perpetual motion principles, suitable for interactive science learning demonstrations. [Compact Desk Decoration] Approx. 9.8x9.1x4.3in size fits workspaces, adds dynamic visual to rooms or offices. [Plastic & Alloy Build] Combines lightweight plastic base with metal moving components for structural function. Show more