This Newtons Cradle is a miniature version of the physics class staple a lot of us grew up fascinated with. This cradle is made from a metallic red plastic base and plastic upper arms that suspend the steel balls. It’s a light weight easy to setup desk staple that adds an eye-catching element to every workspace. Dimensions: Height 13cm, Length 13.5cm, Width 11.5cm Weight: 180g Material: Steel, Plastic