To prevent unfinished work from being lost, have them stick in their front folder. When they have finished something else, recess, or at the end of the day, they can look in their front folder for unfinished work.
Use milk bottles for pencil storage Recycle plastic milk bottles in to pencil holders. Grab a craft knife and recycle your large plastic milk bottles in to pencil holders. Extra points if you go all OCD and file them by colour.
9 Cool Storage Solutions for Arts & Crafts Clutter