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【Material】 Chromed Plastic Base + Metal Holder+ Nylon Thread. Demension:18.5x12x20cm/7.28×4.72×7.87inch, Instead of cheap fishing line which other sellers used, our newton cradle use high quality nylon line which is strong enough to not be broken easily.
【Beautiful】 Z-shaped stainless steel frame has a strong three-dimensional feel.
【More Durable and Rustless】With steel frame and 5pcs high polished smooth steel balance balls, which is more durable and easy to transfer and store more energy when collide.
【Physics Education Tool】This Newton’s cradle balance ball Toy is a good practice of physics in action demonstrates the principles of kinetic energy and conservation of momentum.Fine argument of Newton’s law of motion and the starting point of physics.For every action there is an equal and opposite re-action.Inspired us to better understand the concept of conservation of momentum.
【Good Toy & Desk Decor】Classic desk toy, suit for both kids and adults, Apply to psychology, teaching tools and furnishings.Demonstrates Newton’s Laws of Motion, excellent for killing boring time and stress release, Frequency swing keeps you in a calm state. It’s not only a toy, but also a good desk decor for office or home, perfect gift for a geek!

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