If you need a Halloween costume posthaste, you really can't go wrong with a LEGO man costume. And one made from cardboard that is fully functional, well, you'll probably win the "Best Costume" contest hands down. Not only will this mecha-esque costume wow everyone you meet, but it eliminates the need to apply Halloween makeup, style your hair, and get your outfit just so. With a LEGO man costume, you're ready to roll.