This complete kit comes with everything you need to grow your own fresh mushrooms - right in your own kitchen! - ORGANIC and GREEN, grow up to a pound and a half of tasty pearl oyster mushrooms right out of the box in as little as 10 days! Harvest multiple crops right from the (recycled) cardboard box pre-filled with recycled coffee grounds for the growing media. This is a fascinating and rewarding experience for kids of all ages! Get them while they last! -  ON SALES for ONLY $19.99!