Grow a Lima bean plant in a CD case. Then label it with a paint pen. So clever, A sharpie would work too! I wonder if the super thin case would work as well as the older thick? I think you would have to find a very thin bean!
Instead of sifting through piles of worksheets, create a “master book” to help organize your papers and keep them in one place. Keep one copy of every important worksheet. Place them in a binder with dividers for each month.