Description Our natural magnetic Lodestones rock specimens are for educational purposes. These raw stones are ideal for teaching the principles of magnetism and geology. Simply place them in a classroom setting or use them in science STEM toys to demonstrate magnetic. They can also be used in rock cycle kits. Features -Color:Grey -Material:Magnetic rocks -Size:4.00X2.00X2.00cm/1.57X0.79X0.79in -Natural magnetite: these natural magnetite rocks are safe and reliable, for educational purposes, collections, and decorations -Educational value: ideal for teaching and scientific experiments, these magnetite rocks demonstrate magnetic and natural magnetic fields -Magnetic: the magnetite rocks contain small magnetic particles and can attract iron filings and magnets, showcasing their unique magnetic characteristics -Features: due to their iron composition, these rocks may exhibit yellow or orange spots, adding to their natural authenticity -Unique collectible: enhance your collection with these magnetite rocks, offering a unique and practical concept for anyone fascinated by the natural worldPackage list: 1 x Set of magnetic lodestones(500g)