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Engage kids with the Smithsonian Newton's Cradle Value Set. This sleek desk-toy science kit allows learners to observe how energy transfers between steel balls, vividly illustrating Newton's third law of motion. A compact STEM activity designed for ages 8+ that doubles as a stylish desktop conversation piece. Details Bring foundational physics to life with the Smithsonian Newton's Cradle Value Set. This hands-on kit features a row of precision-mounted steel balls suspended so that when one is lifted and released, the energy transfers through to the opposite end-demonstrating momentum, energy conservation and Newton's laws in action. According to the product description, the kit allows students to observe how "momentum and energy are transferred from one side … to the other" and also includes a collectible STEM content card with background on physics concepts and Sir Isaac Newton. Intended for ages 8 and up, the set blends scientific discovery with