Woot offers Back to the Roots Organic Mushroom Grow Kit 3-Pack: Oyster, Oyster & Pink-Harvest Gourmet Mushroom in Just 10 Days for $13.99 (orig. $39.99). Free shipping for Prime Members. 

Product Description:
The Back to the Roots Organic Mushroom Grow Kit 3-Pack is the easiest way to gift & grow your own 100% organic, gourmet oyster mushrooms at home! Everything you need is inside this mushroom growing kit — just open, spray daily with the included mister, and in 10 days you'll be harvesting your own delicious pearl and pink oyster mushrooms (try them in pasta, soups, stir-frys, or omelettes!). The kits are Made in the USA (Michigan) and come with our 100% to Grow promise. These kits make a great gift, will last for months unopened, and can grow year-round in all climates. No green thumb or big backyard needed! 

• 100% ORGANIC AND NON-GMO: Back to the Roots Mushroom Growing Kits are organic and not genetically modified, which are much better for the environment
• GROW YOUR PLANT YEAR-ROUND: Each mushroom indoor growing kit allows you to cultivate your crop all year, each box can grow up to two crops
• GROWS IN 10 DAYS: Mushrooms are easy to grow indoors just spray daily with the included mister, and in 10 days you'll be harvesting your mushrooms
• EVERYTHING YOU NEED: Start your indoor garden right away. Our oyster mushroom kit includes soil infused with mushroom spawn, spray mister, harvesting instructions, and recipes