I got my father-in-law a deck of cards with a different kind of fart on each one for Christmas one year. He spent the rest of Christmas morning looking through the cards and giggling.
Madness string 93218
She also sent a flow chart without any lines in it, saying she's not sure where the lines go. I don't even understand how you can know enough to make the nodes of a flowchart, but then not know where the lines go.