Newton's Cradle Steel Balance Ball Physics Science Fun Desk Toy Accessory Gift Friction and damping effects are also observed. Often used as a toy to amuse people. Great gift for everyone. Includes steel balls, plastic frames and base. Color: Claret-red & Silver, Size: 178x110x145 mm(LxWxH). For International Shipping to USA, it takes 15-30 business days. IF YOU CANNOT WAIT PLEASE DON'T ORDER. VERY THANK YOU FOR YOUR PATIENCE.