Product Review

Everybody plays with it when they see one, our Newton's Cradle Physics Science Balls Kit. Teaches principles in physics in a fun, hands-on way. Make your kids imagination flow and active. Pull back the polished steel ball on one end and let it fall. When it hits, it transfers its energy to the ball at the far end of the line, setting it in motion. Perfect dispaly on a desktop or coffee table. Has a dimension of 4.6 x 1.5 x 3.7 inches. Each box contains one kit.