Newtons Cradle Balance Balls Physics Pendulum Science Toy Model

Description:Material: Metal BallShelf + ABS Base + Fishing LineColor: SilverSize: (L)X(W)X(H)18X11.5X18.5cm/7.09X4.53X7.28(appr.)FeaturesBrand New and high quality.Newtons 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.Newtons 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 Newtons Cradle