National Geographic Crystal Garden Kit

Watch Crystals Grow On Trees With The National Geographic Crystal Garden Kit .The Crystal Grows In As Little As 6 Hours .Choose Among 5 Watercolor Pens, Color The Branches And Watch The Crystals Grow In That Color .Includes A Genuine Geode Specimen And Learning Guide That Teaches The Science Behind This Experiment .The Packaging Dimensions Are 25.4 Cm High, 18.4 Cm Long And 6 Cm Wide .