★ High Quality: This newton'sis made of high quality steel material, which is bright, preservative and not easy to rusty, it can be served for a long time.
★ Great Decoration: 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, a funny gift to your friends, family and children.
★ Wonderful Toy: Thiswith swinging can explain your child that physical knowledge and Newton's story, also help to explore the mysteries of the natural science.
★ Educational: 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.
★ Quality Assurance: All of the product are strictly inspected before shipment, so please purchase with confidence. Please contact us if there is a defective product due to manufacturing reasons.
