Learning while playing: Kids are naturally drawn to playing with the Newton's Cradle, clicking and clacking the pendulum balls back and forth. And meanwhile, you're actually teaching them physics: how kinetic energy works, and the law of conservation of energy! A great learning toy.
Durable, well-made: High quality Newton's Cradle is made of quality plastic and tough reinforced strings. Will last for a long time: No cracking, splitting, or splintering.
Easy to play: Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side. Fascinating to watch!
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Technical Details

Product Details

Package Dimensions
Width : 6.1 inch
Height : 1.89 inch
Length : 7.32 inch

Shipping Weight: 13.76 ounce (View shipping rates and policies)

ASIN : B077JN7F3F