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1

Imported

Multi Function---Excellent educational & science gadget, own your very own piece of scientific history and explore significant values of physics. Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and kids toy.

Design Feature---A ball at one end hits the other, sending a ball at the other end into the air, while the ball in the middle stays still. Through Newton's pendulum ball, it will greatly stimulate us to better learn and understand Newton's laws of motion.

Science Educational Gadget---This device demonstrates demonstrates conservation of momentum and energy via a series of swinging balls. Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side.

Perfect Gift---A great gift, you can send this pendulum to your friends or family members who love science. Suitable for adults and children, very suitable for learning science, killing boring time and releasing stress.

After Sales Service---100% satisfaction guarantee. If for any reason you're not 100% satisfied, please let us know and our customer service team will do our best to help you.