Grow Mushrooms! Grow blue, golden or pink oyster mushrooms that look and taste amazing. Our kits use recycled materials and come with a spray bottle meaning customers can get started quickly and easily. Our kits come with a QR code which links to our website where we have lots of information about the amazing world of mushrooms. Including their health benefits, environmental benefits and more. Please note: the shelf life is 2-4 weeks depending on the conditions. Or up to 6 months when stored in a fridge.