This rare mineral is naturally magnetic. Used in early navigation and thought to have magical properties, lodestones are most likely made from lightning strikes. What a fun addition to any rock and mineral collection. We think they will be magic in your store and sell like lightning. Included is a 1" inch stone and information. 3.5x6" peggable card. Part of Copernicus Toys Compact Curiosities line -- small packages full of big wonders. Great little collectible science toys and STEM demonstration items. Perfect for birthday gift bags, stocking stuffers, and Easter baskets--or any time you need a little science. Spark curiosity for collectors of science and nature We recommend Compact Curiosities for a wide range of retail settings including toy stores, gift stores, children's museums, science museums