Costumes you can make using common resources found in basically every country
Travel junkie – Wear a rubber band around your upper arm and walk around with a syringe labeled “travel.” Hit that shit every once in a while, to get your travel “fix.”
Facebook – Over one billion people in the world have a Facebook account. No matter where you are, a life-size Facebook profile (made from cardboard and paint) will translate very easily to your foreign friends.