EARTH TO CLUNK: What happens when you're forced to have an alien as a pen pal? You send each other things you don't like about your own planet in an attempt to get rid of it (including your big sister).
Forever Freebie! Kids love idioms and it is one of my favorite things to teach! Each year after learning about idioms, I have my class make a humorous book of idioms together. They have a blast creating their page and I always enjoy their "laugh out loud" drawings that go along.