Grow your own produce at home with this Windowsill Mushroom Growing Kit Choose from white or brown mushrooms Each kit includes the growth medium and instructions Tells you how to ensure you get the best crop of mushrooms and when to harvest It's everything you need to start growing your own mushrooms in one box. Makes a quirky gift to give to any green thumbed friends or health nuts Simply place on your windowsill and watch them flourish For only 13.99 pounds, watch fungi grow at home with this Windowsill Mushroom Growing Kit