Metal Swinging Ball Toys Fun Science Physics Learning Toys Educational Balance Balls Toy Gift Medium T Type

Features:
Funny:See before your eyes as the Balls transfer fall and transfer weight across the tool. Dropping one ball or two balls. You can see the energy transfer in such an astounding way!
Perpetual Motion:The pendulum balls show the conservation of momentums and energy, creating perpetual motion,these swinging kinetic-balls are perfect addition to your office desk decoration accessories or teaching tool at schools.
Office Desk Decor:Show some characters and expressing your love for science and physics with this decorating your office space. Can be meditative and fun to watch also!
Educational & Classy :Experience the visual display of momentums. Use this in class and share with your friends and family the exciting world of physics and science!
Good Gift Idea: Suit for both kids and adults, excellent for learning science, killing boring time and releasing stress, which makes it a good present for birthday, holiday.
Notice:
1.Actual color may be slightly different from the image due to different light effect
2.Please allow 1-3cm deviation due to manual measurement
Description:
Material:Mental+Plastic

Package List:
Swing Ball Toy*1