Newton's Cradle, made of durable PP material, is both a desktop physics demonstration pendulum and a stress-relieving decorative piece for offices and homes, ideal as a creative gift.**Newton's Cradle: Physics in Motion** Experience the elegance of physics right on your desk with Newton's Cradle. This classic scientific demonstration embodies the **principle of conservation of momentum and energy** with each ball transferring its force smoothly through the line, creating a rhythmic, calming swing. **Lasting Motion**: Each cycle swings for approximately **15 seconds**, providing a prolonged and mesmerizing visual display.