$33.93
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Newton'S Cradle Balance Balls, Portable Desktop Metal Balance Pendulum Ball Phys
【Relieve Stress】Balls toy is a charming desk decoration that can not only add beauty to the room, but also relieve your stress when playing.【Various Gameplay】For example, one ball at one end hits neighbor, the ball at the other end hits air, while ball in the middle stays still.【Long Swing Time】Classic design, due to the resistance of air and friction, the balance ball can last 15‑20 seconds and it lats longer time.【Educational Significance】The balance pendulum ball toy is also a perfect school education gadget, which can guide children to understand meaning of energy conservation.【High Quality】Each ball has been accurately measured, weight is uniform and consistent, and uniquely selected base and ball are made of high quality materials. The classic design makes it an excellent children's family, friends and colleagues, so that they can relieve stress when they need it, and bring fun for children.
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