Newton's Cradle — Large 18cm Metal Desk Physics Toy

Demonstrate the conservation of momentum and energy in mesmerizing style with this large 18cm Newton's Cradle featuring five mirror-polished chrome steel balls suspended from a sturdy black metal frame. The precision-aligned nylon threads ensure clean, long-lasting swings with minimal friction loss, keeping the balls clicking rhythmically for minutes on end. A timeless desk accessory that sparks curiosity in offices, classrooms, and home studies alike.