This kit will get you started growing and storing your own cultures of yeast! Whether you want to culture store bought yeast, or culture yeast from commercial beers, this is a great place to start. The Apprentice Yeast Culturing Kit includes: Yeast: The Practical Guide to Beer Fermentation book, 50 ml flask, #2 solid stopper, alcohol lamp, 8 disposable sterile loops, 3 petri dishes (may not be used in a pressure cooker), 1 oz. beer agar, 1 slant tube, and 2 lbs. dry malt extract. Recommended additional items: Pure liquid yeast culture, extra agar for creating slant tubes (check your local Asian or specialty food markets), yeast starter kit, and a pressure cooker for sterilizing equipment.