Every passer-by finding this magic desk decor will be drawn naturally to play with it, whether kids or adults including you! Providing addictive fun throughout the day with a clear demonstration of physics in action, our Newton's Cradle is always prepared to bring out the smile when Newton's Laws of Motion is fully interpreted in a hands-on way. HOW THOSE PENDULUM BALLS WORK? Consisting of 5 identically sized swinging spheres, our Newton's Cradle shows the wonders of physics effectively without too much complicated explanation. Pull back one or more of the balance balls on one end, and let it/them go to see the same number of balls will swing up following an upward arc on the opposite side. The balls will click back and forth smoothly for up to 45s (depending on the force applied) until being stopped by air friction. MORE THAN A SIMPLE SCIENTIFIC TEACHING TOOL... Our Newton's Cradle is not only an interesting education aid for bring the truth and fun of science for kids and adults, but also regarded as an effective way to help relieve stress and frustration when you're falling on hard times. Place it on your desk, enjoy the clicking sound and soothing motion of metal balls and you'll find yourself completely relaxed and comforted. Also a serene desk decor to light up your office. REMARKABLE DURABILITY WITH SOLID MATERIALS: Rigid stainless steel balls, hardy nylon strings and durable polished ABS base with anti-skid feet in the gift-ready tangle-free package all ensure unrivalled service life, longevity and durability.
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