Discover the fun of Mighty Magnets with this super collection of 11 magnets. Includes horseshoe magnets, magnetic balls, magnetic wand, star shaped magnets, mini horseshoe magnets, and round magnets What are the "N" and "S" on the ends of the horseshoes? What can I do with my magnets? This is a great starter set to open the magnetic doorway or fun. This set nclude two 3.75 inch horseshoe magnets, five magnetic marbles and 7.5 inch magnetic wand, plus two star-shaped magnets, two mini horseshoe magnets, and two round disk magnets.