🌀 Swing into Science: Where Physics Meets Fun! Arrives beautifully wrapped, making it the perfect gift for any occasion. Experience the perfect alignment for 50+ seconds of mesmerizing motion. Constructed with high-impact nylon and chromed steel for long-lasting enjoyment. Ideal for office stress relief or as an engaging educational tool. Enjoy peace of mind with a 1-year warranty and responsive customer support. exquisite packaging 8mm steel bar 50s+ swing time The CERROPI Large Newton's Cradle Pendulum features a scientifically designed setup that allows for over 50 seconds of swing time. Made from durable materials including chromed steel and nylon, this desk toy serves as both a stress reliever and an educational tool, perfect for inspiring creativity in children and adults alike. It comes beautifully packaged, making it an ideal gift for various occasions, and includes a 1-year warranty for added assurance.