Liineparalle Newton's Toy Cradle Balance Steel Balls as Physics Science Pendulum Ornaments
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Make sure this fits by entering your model number.❤Excellent educational science gadget. Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy.❤Science toy. When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease.❤Excellent educational & science gadget, own your very own piece of scientific history and explore significant values of physics.❤Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side.❤Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and kids toy.
Make sure this fits by entering your model number.❤Excellent educational science gadget. Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy.❤Science toy. When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease.❤Excellent educational & science gadget, own your very own piece of scientific history and explore significant values of physics.❤Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side.❤Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and kids toy.
2021-02-10 12:57:41