Newton’s Cradle Steel Balance Ball $4.69 Shipped!

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cradle steel balance ballThis makes for a fun and unique gift!

Newton’s Cradle Steel Balance Ball for just $4.69 Shipped!

  • The set of balance balls is particularly suitable for the place such as office, desk table,computer table etc.
    It is a best and useful gift for children to arouse his/her interest in physics.
    Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy.
    Friction and damping effects are also observed.

Shipping is free.

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