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Newtons Cradle Balance Balls with Mirror Finish Educational Desk Toy for Home

<ul><li>Momentum Demonstration: Demonstrates the conservation of momentum and energy through a series of pendulum balls.</li><li>Interactive Motion: Pulling back and releasing one or more balls causes the same number of balls to swing up on the other side.</li><li>Auditory Stress Relief: Stirring the balls produces a clinking sound to ease tiredness from studying and working.</li><li>Educational Application: Applies to psychology, teaching tools, and furnishings.</li><li>Material Construction: Made from Iron + Plastic.</li></ul>

<ul><li>This Newton's cradle balance ball toy express your love for science and physics with this decorating your office space</li><li>When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease</li><li>Apply to psychology, teaching tools and furnishings</li></ul>

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Description  This device demonstrates the conservation of momentum and energy through a series of pendulum balls. Pull back one or more balance balls and release them, the same number of balls will swing up on the other side.  Features  - Material:&nbsp;Iron + Plastic. -&nbsp;This Newton's cradle balance ball toy express your love for science and physics with this decorating your office space.&nbsp; - Pull one or more of the balls, release them and the same number of balls will swing on the other side. - When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease. - Suit for both kids and adults, excellent for killing boring time and stress release. - Apply to psychology, teaching tools and furnishings. Frequency swing keeps you in a calm state.