Rosmall Newton's Cradle Balance Physics Science Pendulum Desk Table Decor Red Base
Brand: Rosmall
Color: Red

Balance Balls are a classic desk toy. The clacking of the steel balls will keep you entertained throughout the day. Pull back one or more of the balls, release them and the same number of balls will swing up on the opposite side. The apparatus usually consists of an odd number of identical steel balls each suspended by a bifilar suspension from a sturdy frame. Color: Red,Silver Material: Plastic,Metal Package Included: 1 x Bottom,1 x Holder,5 x Balls

Newton cradle blance ball size :MIni
Newton ball material: steel ball + plastic + fishing line
Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy.
Easy to install and uninstall.
Let your room have more fun with Newton's cradle.

Package Dimensions: 3.7 x 3.15 x 0.98 inches; 3.03 Ounces
UPC: 745322666670