★ High Quality: This newton'sis made of high grade ABS plastic, tough fishing line and sturdy metal ball, which is bright, preservative and not easy to rusty, it can be served for a long time.
★ Perfect Educational Toy: Not only demonstrates a pendulum, but also shows the laws about conservation of momentum and energy. Perfect educational toy to embrace the story and the mystery of science.
★ Desk Decoration: It is a very funny decompression toy that a ball can be used to hit other balls and swing. Perfect for decorating in the office, home and other indoor places.
★ Wonderful Gifts: Thiswith 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.
★ How to Play: Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side. Size: 18CM *11.8CM*18.5 CM.
