ลูกบอลนิวตันของเล่นวิทยาศาสตร์สําหรับเด็ก
100% Brand New and High Quality
Weight: 95g
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: 8.8*7.5*1.2cm
Included:
1 x Newtons Cradle Balance Balls Desk Toy
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