Newtons Cradle Balance Balls Physics Pendulum Science Toy Model

Description: Material: Metal Ball & Shelf + ABS Base + Fishing Line Color: Silver Size: (L)X(W)X(H)18X11.5X18.5cm/7.09''X4.53''X7.28''(appr.) Features Brand New and high quality. Newton's Cradle makes a great desktop gift. These swinging balls will keep you occupied for hours at work. Unique exclusive contemporary design complements any office or home decor. Newton's Cradle is a clever device that not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy. Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures. Package included: 1 Pcs Newton's Cradle