Scientific Explorer Dinoland Crystals lets you grow a magical crystal Jurassic wonderland! Set up your prehistoric playset and add the magic liquid to see crystals form in minutes! The kit includes precut and colored paper stegosaurus, t-rex, volcano, grass and 2 trees, magic crystal liquid ((2.1 oz.) water, monopotassium phosphate, monoammonium phosphate), plastic tray and easy instructions. Recommended for children 6 years of age and older.