Grow a shimmering crystal studded geode that glows in the dark and crystals that bounce and jiggle. Includes sodium acetate, 3 packets of monoammonium phosphate, 2 packets of alum, zinc sulfide, polyacrylamide and a bag of granite rocks. Also includes 2 cards, 4 containers, magnifier, measuring beaker, 2 petri dishes, pipette, plaster of Paris, safety goggles and an instruction guide Recommended for children 12 years of age and older. Most impressive crystal growing kit you will ever find with 13 different growing activities.