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Cradle Balance Steel Ball 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. Read more Longer Swing Time Great Frame size 7.28 x 4.72 x 7.87 inches. Newtons cradle balance balls continue in perpetual motion for 10-20 seconds due to the resistance of the air and friction, It is many methods to pay, such as one balls rise up in one side, then let if fall down, or two, or each 2 side rise up one ball, and etc Read more Excellent educational science gadget. Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy. Science toy. When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease. Excellent educational & science gadget, own your very own piece of scientific history and explore significant values of physics. Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side. Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and children toy. Material Paint base + solid pendulum + boutique fishing line Size 7.28 x 4.72 x 7.87 inch Color Sliver Package 1 x Balance Balls Toy
EDUCATIONAL SCIENCE GADGET: Not only demonstrates a pendulum, but also according to the law of conservation of momentum and conservation of energy, due to resistance, metal balls will not swing forever. Usually, when under normal circumstances, as different strength and environment, the swing time will be different.
EDUTAINMENT: Many of us, including kids or adults, love to play all toy kids, but usually we will never think about why and how toys work, so playing is just a game. By playing these newton cradle balls, it will inspire us a lot to learn and better understand Newton's laws of motion.
HOW TO PLAY: Pull back one or more balancing balls, release them and the same number of balls will swing on the opposite side.
REDUCED PRESSURE TOY: Suitable for both kids and adults, great for killing boring time and stress release. It is not only a toy, but also a good desk furniture for the office or home.
GREAT ORNAMENT: Perfect ornament for home or office to release pressure and stimulate suction. Also good for birthday gift and baby toy.
