National Geographic Purple Crystal Growing Lab

National Geographic’s Crystal Growing Kits bring you an unparalleled crystal growing experience. Our full-color learning guides are packed with fascinating crystal facts giving you the most comprehensive crystal kits on the market! We even include real crystal specimens to display with your home grown crystals.Each Science Kit Includes: Fast Crystal Growing Powder, A seed rock,A genuine crystal specimen,1 stir stick,A full-color learning guide ,Easy to follow instructions.