The opposite of everything is celebrated on the 25th for Opposite Day. If you are tall, celebrate shortness. If you are blue-eyed, celebrate the brown-eyed folks in our midst. Check out this word game exploring antonyms then create an original story about them. For ideas click the nouns and opposites buttons until the opposites you want to write about appear.
See more at http://writingfix.com/forkids/oppositegame.htm