NEW AND HIGH QUALITY - Uses durable plastic for the base and sturdy stainless steel for the frame. Size: 2622cm.Educational Toys - It's also great for those who are passionate about science or demonstrate the laws of physics in a science class. This is fun and useful for kids who want to learn more about magnets and physics. Help teach students physics and allow them to explore the values of meaningful physics.Simple and convenient to use - push the outer ring lightly and it will oscillate back and forth, and the inner ring will also wiggle irregularly. Magnetically wiggles like a 3D globe. It's your good helper for stress relief.PERFECT GIFT - This is a cool gift for a science physics lover. We can give it to our friends, children, family. This is the perfect tabletop toy to impress colleagues and clients! A beautiful decoration to place at home, school or office. A stylish tabletop toy for adults and children.Requires AA batteries to operate. Batteries not included.