B Bra Newton's pendulum balls Cradle a classic science desk toy used to demonstrate physics principles like conservation of momentum and energy.

Newton's Cradle, a classic science desk toy used to demonstrate physics principles like conservation of momentum and energy. 

Newton's Cradle, a classic science desk toy used to demonstrate physics principles like conservation of momentum and energy. 

Components: Typically features five polished steel balls suspended by nylon threads from a stainless steel or plastic frame on a wooden base. 

Function: When one or more balls are lifted and released, they strike the remaining balls, causing the ball on the opposite end to swing up. 

Features: Serves as a decorative conversation starter for desks, a stress-relief tool, and an educational gadget for learning about the laws of motion.