General description Newton's Cradle is a fun decompression toy that features a pendulum mechanism where one ball can hit others and swing. It not only demonstrates the principles of a pendulum but also illustrates the conservation of momentum and energy. This creative desk toy adds a playful touch to any workspace or home environment. It serves as a perfect decorative piece for offices, homes, and other indoor spaces. Additionally, it makes for a delightful gift for friends, family, and children. Technical specifications Material: Metal Color: As shown Measurement allowed error: +/- 1-3 cm Other information Package Contents: 1 x pendulum ball Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product.