For Christmas, my boyfriend bought me a Blue Oyster Mushroom kit from Mushroom Adventures, and I had so much fun with it. The kit arrived on December 19th, and the box said “do not open until December 30th.” This is because the mycelium is still being prepared. On January 2nd, I opened the box, which contained a clear plastic liner and a black plastic bag with slits cut in it. Following the instructions, I placed it in a well-lit location and sprayed it with water daily, and after seven days, the first mushrooms started emerging through the slits in the black plastic!