Creepy Crystals Grow A Creepy Crystal Tree, Create Your Own Diamonds And Make Crystals That Rock! Discover How Crystals Form And Foul Facts About Crucial Crystals. Contents: Ammonium Dihydrogen Orthophosphate 50G, Tree Growing Solution, Tree Card, Petri-Dish, Color Tablet, Seed Crystal, Round Bottle, Funnel, Limestone Rock And Horrible Info Leaflet. Age Range: 8 Years +