Marhynchus Newton's Cradle - Steel Balance Balls Physics Science Desk Toy | Educational Office Decor | Stress Relief & Science Demonstration Tool for Home & Office

Product Description

This fits your . Make sure this fits by entering your model number. MAIN FUNCTION: This device demonstrates conservation of momentum and energy via a series of swinging balls. Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and children toy. SCIENCE TOY: Excellent educational science gadget. Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy. Excellent educational and science gadget, own your very own piece of scientific history and explore significant values of physics. HOW TO USE: Pull up one ball and release,only one ball in the other side moves,pull up two, two balls will react, and so on. PRACTICAL: When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease. EXELLENT GIFT: It is a best and useful gift for children to arouse his or her interest in physics. The size of this balance balls toy is 18.5 x 12 x 20cm / 7.28 x 4.72 x 7.87 inch(appr.).