Magic as it ever was! The Original Magic Rocks® crystal growing kits are just as awesome as ever. Who can resist rocks that grow?! The display tank, background, model, colored rocks, and sodium silicate are included. You supply the foil, warm water, and a container for mixing up one of the most colorful memories ever. Models vary, so we'll choose for you.
Size: Tank: 5.75''w x 3.5''h x 2''d
Materials: Plastic tank