Monster Mushroom All-In-One Grow KitMonster Mushroom Company is proud to offer our Mono Tub Mushroom Grow Kit. This Mushroom Growing Kit is the best kit for growing mushrooms. This mushroom kit for sale has many benefits, including its extra large size, which can produce four to six mushroom grow crops. This All In One Mushroom Kit contains: Sterilized multigrain 2 part grain spawn bags (1 lb each) x 4 Sterilized blended fruiting substrate, perfect for growing at home x 2 54 Quart