I just got two of these, i hope it works

Grow your own with our new Shiitake Mushroom Log. It’s a gourmet’s dream come true, just water and place in a cool dark place, and in 10 days you’ll have a crop of delicious, meaty Shiitake mushrooms. And that’s not all, the log can keep producing a crop of mushrooms every 8-12 weeks for years to come.