Grow your own crystals! This kit, from National Geographic, includes everything you need to grow your very own glow-in-the-darkn purple crystal.

$9.99
by National Geographic
Type: Education - Science
SKU: 210000013895
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.