Decorative objectsPlace this Newton's pendulum on the living room table and you'll think you're in psychrology. Newton's pendulumNot only shows a pendulum, but also demonstrates the principles of kinetic energy and conservation of momentum. Friction and damping effects are also observed. Educational toolOwn your own piece of scientific history and explore the significant values of physics. Funny object Newton's Cradle is a timeless and classic desktop science toy. Use for wasting time, relieving stress, deaf ears of boring co-workers, or enrolling young people in physics. Science toyWhen you're tired of studying and working, you can mix balls to hear the clicking sound. You love having fun clicking the marbles, it relaxes you.