Newton's Cradle

Newtons Cradle is a device that demonstrates conservation of momentum and energy. Pull back one or more of the balls and let them drop down. The same number of balls will swing up on the opposite side and the clicking will go back and forth until it stops. 3/4 inch steel balls. Comes with Teacher's Guide.

Weight: 1.15 lbs.
Dimensions: 5.5" x 6" x 7" (WxLxH)