Newton's Cradle with Balance Swinging Magnetic Balls Funny Pendulum Steel Ball Desk Toy Office Decoration

Perfect Educational Toy: Balls move smoothly up to 20 seconds. Not only demonstrates a pendulum but also shows the laws about conservation of momentum and energy. (The swing time is related to the swing height of the sphere) Great Decoration: It is a very funny decompression toy that a ball can be used to hit other balls and swing. (Mini cradle toy do not swing the metal ball vigorously) Perfect for decorating in the office home and other indoor places. Manufactured by Hztyyier. Wonderful Gifts: This cradle with swinging can explain your child that physical knowledge and Newton's story also help to explore the mysteries of the natural science a funny gift to your friends family and children. Sales Guarantee: We care about all the customer shopping experience. If this product does not meet your expectations do not hesitate to contact us we will refund you in full. High Quality: This cute newton's cradle is made of high quality electroplated steel ball and plastic base which is bright preservative and not easy to rusty it can be served for a long time.