Newton's cradle is one of the oldest and most interesting physics toys that show the laws of conservation of energy and momentum. The Metal Balance Ball from EJ Toys Inc. is an excellent educational and science gadget, allowing you to own your piece of scientific history and explore significant values of physics. With its fascinating five ball motion stress reliever, the product can relieve your stress and provide a 3D visual experience.

The Metal Balance Ball is a valuable office desk toy and novelty gift for a stress reducer and science aficionado. It is made using durable, rust-resistant stainless steel, giving it a sleek reflective mirror finish. This means it lasts for ages and catches every eye from across the room. It is packed in a beautiful printed box for striking presentation.

Note: When you receive the item, please take the balls out one by one or the balls may be tangle up. It is suggested to place them horizontally. Please be patient and careful during the installation process, because excessive force will cause entanglement! If the item is damaged or lost in transit, it will be resent freely again. Just message us first! Please allow 0-2cm error due to manual measurement. Thanks for your understanding. Due to the light and screen setting difference, the item's color may be slightly different from the pictures.