Enhance your aquarium or terrarium with our natural magnetic rocks. These magnetic lodestones not only add a unique aesthetic but also serve as a functional element in your aquatic or plant environments. Place them among aquarium gravel or use them as decorative volcanic stones in a flower pot. Their magnetic can also attract and hold small metallic objects, adding an interactive element to your setup. Features -Color:Grey -Material:Magnetic rocks -Size:4.00X2.00X2.00cm/1.57X0.79X0.79in -Safe and reliable: these natural rocks are safe for handling and for educational and decorative purposes -Versatile use: suitable for teaching, collecting, and decorating, these rocks provide educational value and aesthetic appeal -Magnetic demonstration: the rocks exhibit magnetic, making them ideal for scientific experiments and magnetic demonstrations -Natural appearance: the presence of yellow or orange rust spots due to iron adds to the natural and look of these rocks -Educational tool: these rocks offer a unique and practical concept for anyone interested in the natural world, enhancing the value of your collection Package list: 1 x of lodestones(500g)