Kids, color your OWN mushroom box before you grow your mushrooms! The Color-Your-Own Mushroom Box Kit comes in a white box, perfect for decorating with markers or paint. Once your box is colored, you can grow your own elm oyster mushrooms from it, making the experience twice as fun! Makes a great gift for kids or teachers. Color-Your-Own Mushroom Kit includes small elm oyster mushroom block, white mushroom grow box with no labels, mister, humidity tent, and full-color instructions.