Reddit reviews Newton's Cradle Art in Motion, 7 1/4-Inch Balance Balls - Black Wooden Base
We found 1 Reddit comments about Newton's Cradle Art in Motion, 7 1/4-Inch Balance Balls - Black Wooden Base. Here are the top ones, ranked by their Reddit score.
Newton's Cradle makes a great desktop gift.These swinging balls will keep you occupied for hours at work.Newton's Cradle is a clever device that not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy.Base of the product is made of plastic..
It's called a Newton's Cradle and they cost about $15.