LIZEALUCKY Newton's Cradle Balance Steel Balls with Wooden Base Classic Physics Science Pendulum Ornaments Toy Desk Fun Gadget Gift for Home Decoration
【High quality material】Our newton cradle use high quality nylon line which is strong enough to not be broken easily.Balls are made of stainless steel. the hard wooden base can keep the smooth operation of the newton's cradle balance balls
【Science toy】When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease.It apply to psychology, teaching tools and furnishings. Frequency swing keeps you in a calm state .
【Educational significance】The balance balls continue in perpetual motion for a few seconds due to the resistance of the air and friction. Excellent educational science gadget. Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy
【Best gift】Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and kids toy.Suitable for children to experience the fun of mechanics in the process of playing this fun gadget.
【Keep you happy】The back and forth motion is a soothing experience you'll enjoy day after day, learn about the conservation of momentum and energy.These little steel balls will keep you entertained all day.