Packed with 11 brightly colored magnets in a variety of shapes and sizes, the Mighty Magnet Set from Toy Science is an entertaining experiment kit for encouraging scientific curiosity and discovery. Magnets may be red, yellow, green, or blue. The size of each varies. Some also feature N and S lettering to mark North and South. This set includes 2 miniature horseshoe magnets, a 7.5-inch magnetic wand, 2 star-shaped magnets, 2 small circle magnets, 2 magnetic balls, and 2 3.75-inch horseshoe magnets.