12mm Newton’s Cradle Balance Ball Physics Science Fun Desk Toy
Description : 1) Brand new and high quality. 2) Not only demonstrates a pendulum but also shows the Laws of Conservation of Momentum and Energy. 3) Friction and damping effects are also observed. 4) Often used as a toy to amuse people. 5) Includes steel balls plastic frames and base. 6) Great gift for everyone. 7) Unfold size:18cm x 11cm x 14cm
Anonymous –
It was relaxing when I play this one can relieve my stress
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Anonymous –
This is cool and fun to play somehow
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Anonymous –
I purchased this as a gift. It was perfect in every way of size and the quality as well as the material. Best value for money.
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Anonymous –
I my spare time , I’d always love starring this stuff which brings about a very calming effect when listening the balls . I am very happy and I would definitely buy this again
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