Tombritt took this photo in a teacher's classroom in 2007, and we can't believe this idea didn't take off back then. While we've seen several mentioned as projects for elementary school classrooms, it seems like a great project for the backyard, too. In the process of gathering supplies, kids can learn about planning a project and exercising patience to see it through. What do you think? Would you DIY an igloo to recycle milk jugs? (Image: Flickr user Tombritt; used with permission) MORE MILK JUGS ON APARTMENT THERAPY: • Recycled Milk Jugs • Milk Jug as Kid-Friendly Planter Project • Look! Got Shelter?