A desk lamp to use in case the lighting in the class is not placed in a good spot for you. Your own coffee mug for whatever liquid you want to place in it Chocolate for you and to share. More fabric than you think you'll need. Band-aids, upset stomach remedy [from too much chocolate], aspirin, kleenex, little safety pins for wardrobe malfunctions. Spare change for vending machines
G> Thanks for all the suggestions so far. I've also got some others of my o= wn