Oyster mushrooms can grow on a variety of materials - so grow a full palette of colorful Oyster mushrooms on toilet paper with our TeePee™ Kit! This kit includes enough grain spawn to grow on 21 TP rolls - 7 each of 3 of the following 4 strains (based on availability): Golden, Italian, PoHu™, and Grey Dove™. This kit contains 21 filter patch bags, 6 lbs. of oyster mushroom spawn, rubber bands and instructions. All you'll need is a large pot of boiling water and 21 rolls of basic, unprocessed toilet paper rolls.