Speks 512 Magnetic Balls - Premium Magnetic Building Toys for Adults & Kids - STEM Educational Construction Set - Perfect for Stress Relief, Creativity & Office Desk Fidget Toys

Made from rare earth, neodymium magnets, Speks magnetic balls are possibly the most popular desk toy ever made. Speks are like magnetic putty, a stress ball and adult building blocks all in one. Mash them around for oddly satisfying stress relief or build a shape to unleash creativity.