Newton's Cradle - 4.5" Tall, Wooden Base, Black
Newton's Cradle is a classic! Also known as balance balls, these steel balls keep you entertained throughout the day. 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... a soothing experience you'll enjoy. Newton's Cradle makes a great desktop gift. Measure 4 x 3.5 inch base and 4 inch tall.
- RELAX AND ENJOY - The back and forth motion is a soothing experience you'll enjoy day after day
- HAVE FUN AND LEARN THE BASICS of the conservation of momentum and energy
- MAKES A GREAT DESKTOP GIFT
- MEASURE - 4 x 3.5 inch base and 4 inch tall