Heavy-Duty 1.7lbs (775g) Construction: Unlike lightweight plastic toys that wobble, our cradle weighs nearly 1.7 lbs. The 235g wood base combined with a heavy metal frame ensures the unit stays perfectly anchored on your desk while the balls swing Solid Steel Balls & Metal Frame: The 500g+ metal assembly features high-density solid steel spheres. This extra weight maximizes momentum conservation, allowing for a satisfying, rhythmic swing and a crisp "click" sound that cheap hollow balls cannot produce Smart Tangle-Free Packaging: To ensure the heavy steel balls don't tangle during shipping, we package the frame separately from the wooden base. Simple DIY assembly is required to guarantee your premium gadget arrives in perfect condition Visualizing Momentum & Energy: Demonstrates Newton's Laws with a rhythmic swing (approx. 20-25s due to air resistance). A sophisticated educational tool for teachers to explain physics, or for parents to spark scientific curiosity in children Sophisticated Desk Gift: The combination of polished steel spheres and a classic wooden stand makes this a perfect gift for bosses, physics lovers, or stressed coworkers looking for a moment of Zen Transform your workspace into a haven of focus and calm with the Large Newton Cradle Kinetic Desk Toys. Designed to enhance productivity and add a touch of sophistication, this elegant desk pendulum is more than just decor—it’s a scientifically inspired tool for stress relief, focus, and relaxation. Ideal for both home offices and professional workspaces, this high-quality pendulum balls showcases the fascinating principles of kinetic energy and momentum transfer. With its durable stainless steel frame and polished wooden base, this desk accessory promises long-lasting use and a sleek aesthetic that blends effortlessly with any office decor. Perfect for busy professionals, students, and anyone seeking mental clarity, this desk pendulum provides a visual escape from the demands of daily tasks. As the spheres swing in perfect harmony, they create a mesmerizing motion that promotes mindfulness and balance. Whether you're shopping for an office gift, adding a stylish piece to your workspace, or simply looking for an engaging way to relax, the desk decor men is the ideal choice. Lightweight, easy to assemble, and versatile, this office toys for desk adults is a favorite among office desk toys enthusiasts and science lovers alike. Bring a touch of creativity and calm to your daily routine with this newton balls pendulum, the perfect combination of function and style.