Gravity At Work See before your eyes as the Newton Balls transfer fall and transfer weight across the gadget. Drop one ball or two balls. You can see the energy transfer in such an astounding way! Office Desk Decor Show some character and express your love for science and physics with this decorating your office space. Can be meditative and fun to watch also! Educational Classy Experience the visual display of momentum. Use this in class and share with your friends and family the exciting world of physics and science! Quality Materials PowerTRC’s Newton’s Cradle is made of durable stainless steel, the metal balls are a reflective mirror finish and the majority of the gadget is made of sturdy plastic.Gift Suitable for both kids and adults, serving as a fantastic tool for learning science, beating boredom, and relieving stress. It’s a great choice for birthday and holiday gifts. Whether you place it on your desk or shelf, you can give it a little swing anytime you pass by, creating a delightful scene in your home or office!