The product is a Newton's Cradle five balance balls desk science toy gift, great for collection.
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.
Size: 9cm x 7.5cm x 9.5cm.
Email : firstname.lastname@example.org
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