Clever window display if you have dark-tinted windows, or if your shop is set far back from the road and displays are useless. Make a face! Switch it out for the seasons. Have fun with it, and people will remember your shop.
Industrial paper roll message board for the kitchen or office. Neat idea, but I think I'll use a roll of craft paper from the Dollar Tree instead. Idk where to get a roll of industrial paper to begin with, and I'm sure craft paper is cheaper.