NG Light Up Crystal GrowiNG Lab

National Geographic Crystal Growing Lab with Light-Up Display Base! Grow 3 Amazing Crystals and Make Them Glow! Grow 3 incredible crystals in as little as 3-4 days! Then display your favorites on a stunning light-up base, which has 7 colors and 3 different light display patterns to choose from. A full-color learning guide is also included, with lots of amazing facts about crystals.