Oyster Mushroom Growing Kit - Premium Edition A great Father's Day gift - nice package, color-illustrated booklet, friendly customer support Contains dry ingredients, instructions, spawn voucher - use the voucher any time for free delivery of fresh spawn Unique new mixing method makes it super-simple to get started See mycelium start growing in 24 hours; mushrooms start forming in 10-14 days; can produce up to 1.5 lbs Learn how mushrooms live and grow