Some color negative film for the lights at night. Just a roll or two to quickly run through the camera near all the rides and neon.

Hold the camera upside down over your head to photograph over crowds.

Photograph some people holding their prize rabbit, chicken, or whatever -- get close.

If your camera has a neck strap, have someone -- at least once a roll -- take your picture (you focus and set exposure). You might have enough people asking you if that is a Hassleblad that you can say. "No, it is a Rolleiflex, it is just as good, if not better. Would you like to take my picture?"

Have a bunch of fun!