Check this site out for all of your fungi needs. It provides several kits for various mushroom growing projects. They are an inexpensive way to bolster at home food production and it requires only a small bit of effort. They are perfect for the urban homesteader with limited time and space to be grown in an apartment or even a wandering nomad who just leaves the kit to grow in a secluded rock outcrop. Either way its a cheap and fun way to grow delicious mushrooms!