Kids often accuse their eco-minded parents of taking recycling and DIY projects to a level that is socially suicidal, especially during holidays like Halloween. So we put together a series of awesome cardboard box costumes that not only save the environment by keeping more junk out of brimming landfills, but also almost guarantee that your children will be the talk of the neighborhood. In a good way. Hit the jump to see 8 clever designs made of cardboard that think outside the box.