This could be very useful once the kids learn how to use it, however, I know that I would want more than just a few little boxes and I don't know that putting them on the wall would be the best idea because then you have to worry about whether or not you are using strong enough card stock that will hold to the wall while keeping the papers from not spilling all over the floor.
A way to make students more accountable for their own work and to ensure everyone turns SOMETHING in on the due date. This will also be a great way to check in with kids who need help and to have as a record if I meet with parents to discuss student progress. Will print on a neon color paper and keep right next to the inbox. (6th Grade)