...The one they picked, the one you'll know by."
If little Billy wants one of these for Christmas, you can be excited! He obviously dreams of growing up to work in one of the fastest growing career fields in the U.S.; one with good government bennies, some "only ones" privileges, and a bit of petty larceny on the side.
And when the playing possibilities of the TSA checkpoint are exhausted, it's time to move up to the "Fourth-Amendment-Violating Roadblock" playset! Hours of fun!
(...and while the airport checkpoint is obviously parody, what does it say about things that the highway checkpoint is a real toy? And why doesn't it come with Rolfie the überhund, sniffer of crotches and four-legged Constitutional Law expert?)