product description:
Size: 18cm x11cm x 18.5cm.
Steel rack and balls and heavy nice polishing base.
Strong and nice packing.
Very high qualiy of decoration items.
Brand New and High quality.
Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy.
Friction and damping effects are also observed.
Often used as a toy to amuse people.
Includes steel balls, plastic frames and base.
Great gift for everyone.
Package Included:
1 x Newtons Cradle Balance Balls Desk Toy
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