Newtons Cradle Steel Balance Fun Decoration Physics Science Toy S New

brand new and quality Material: Metal + ABS Color: Black Color: Black Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy. Friction and damping effects are also observed. Often used as a toy to amuse people. Includes steel balls, plastic frames and base. Great for everyone. Item size: 12.7*10*7.5cm Quantity:1 PC Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!