If I can't find an art teacher I look for kindergarteners. Just give a kid a box and they'll know how to turn it into something magical. Who wouldn't want such a cute little box with a cute little handle?
But what if I'm in a middle or high school? No problem, I find a language arts or English teacher and show them my haiku box (see below) made from the trays inside the many rescued boxes. How about one of those projects where you have to decide what 10 things you'll need to survive on a deserted island? Start thinking and you'll come up with lots of things to do with an empty box...and the stuff inside it.
What would you do with an empty box?