This Blue Oyster pre-innoculated mushroom grow kit comes with a colognization jar loaded with Pleurotus ostreatus var. columbinus mycelium. After reaching full colonization, open the jar, mist generously 4 times daily, and within 4-5 days mushroom pins become visible.  No sterile technique, no incubation, no equipment beyond the colognization jar and mister in the box.  The family will enjoying seeing the rapid growth of this mushroom kit, fun for the whole family.