Mushroom Grow KitMushroom Growing Kit Get ready to grow your own delicious mushrooms at home. This kit comes with everything you need to create the perfect growing environment for your own fruiting mushroom blocks or spawn inoculated substrate. All you need is the mushroom spawn! Use the included coco block with spawn as a growing media on its own or mixed with wood chips, straw, coffee grounds, or any media you like. This kit includes one each of the following: (1)