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[felicedollhouse] Newton's Cradle Steel Balance Ball Physics Science Pendulum Desk Fun Toy Gift J,
100% 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.
Base size:85*70*90mm
Included:
1 x Newton's Cradle Balance Balls Desk Toy