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Dracarys 6'' Magnetic Levitation Floating Globe Rotating World Map Anti Gravity Globe for Educational Gift Home Office Classroom Desk Decoration

QLKUNLA Newtons Cradle Balance Balls Science Physics Gadget Desktop Decoration Kinetic Motion Toy for Home and Office

Hztyyier 10x27CM Perpetual Motion Swinging Kinetic Art Electronic Shake Wiggle Device Swinging Balance Balls Physics Science Desk Decor