Arich Steel Newton's Cradle Balance Ball Physics Science Pendulum Desk Fun Toy Gift Material: Solid steel ball,Nylon plumb line,ABS plastic frames and base Color:The base is Claret-red,the rest are Silver Dimension: Approx.90x76x97mm(LxWxH) Suitable for the place such as office, desk table,computer table etc. Package includes: 1 X Newton's Cradle Balance Balls Desk Toy