【Mesmerizing 15-Ball Wave Motion】：This unique Newton’s cradle features 15 chrome-plated steel balls arranged in a wave formation, creating a flowing, rhythmic swinging effect that captures attention and adds a dynamic visual focal point to any space. 【Durable Wood & Metal Construction】：Crafted from a solid black wooden base and polished metal frame, the cradle balances sleek modern aesthetics with long-lasting durability. The chrome steel balls resist corrosion, ensuring smooth, consistent movement for years of enjoyment. 【Space-Saving Desktop Size】：With compact dimensions of 420×160×240mm and a lightweight 700g design, it fits perfectly on office desks, bookshelves, or coffee tables without taking up excessive space. The wave-shaped base adds artistic flair while maintaining stability. 【Stress-Relieving Kinetic Desk Toy】：Watch the balls swing in a hypnotic wave pattern to relieve stress and provide a moment of calm during busy workdays. It also serves as a fun science demonstration of momentum and energy transfer for both kids and adults. 【Stylish Decor & Thoughtful Gift】：Blending kinetic art with functional design, this cradle elevates home or office decor with its modern wave silhouette. It makes a unique gift for science lovers, desk toy enthusiasts, or anyone who appreciates dynamic, eye-catching ornaments.