KandyToys SupeRetro Original ssic Newton's Cradle | Desk Toy Pendulum Ball Swing | Stainless Steel-Stress Relief Gift Office Desk Gadgets Physics Science Home Decorations

High Quality - The " Newton Cradle " is a timeless piece that is a prime example of classic physics demonstration. How It Works - Simply pull back one of the end metal balls and let it swing back down to demonstrate conservation of energy and conservation of momentum in a fairly elastic collision. Ideal Gift - This makes for a brilliant gift for friends and family which will look smart on display on desks, tables and shelves. Fun & Educational - Newtons Cradle demonstrates a key component of science which will hopefully inspire kids and adults alike to take a further interest in science. Size - 11cm x 8cm., Manufacturer: Kandy Toys