Arc-shaped Newtons Cradle Balance Ball Science Puzzle Fun Desk Toy
$18.20
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Description: 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. Specifications: Original box: Yes; Color:Claret-red Base& Silver Frame; Size: 178x110x145 mm(LxWxH); Weight: 162g; Quantity:1; Package included : 1 x Newtons Balance Ball
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