1pc Pendulum Ball Desktop Decoration Newton's Ball Lighting Physics Science Dynamics Ornament No Battery
$ 12.99
DescriptionAre you looking for a creative intelligence toy for your kids? This Newton's cradle model will be your best choice. This product is a DIY Newton's cradle model for students. It is excellent for learning energy balance and dynamics. It is a good gift for kids. Also a experiment and teaching model for classroom.Features- Color: As shown.- Material: ABS and metal.- Size: About 15x15x11.2cm.- It is a very funny decompression toy that a ball can be used to hit other balls and swing.- Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy.- As a creative decompression desk toy to amuse people.- Perfect for decorating in the office, home and other indoor places.- Can be a funny gift to your friends, family and children.- Lighting needs 4pcs AA batteries(not included).