What to do, what to do. Why not be your favorite mollusk? Do you have lots of metro cards hanging around your house? I know I do.
What about an old sweatshirt you don’t need?
Here’s the instructable for this costume.
Are you really crafty, or perhaps have a crafty friend?
Nora Renick-Rinehart made this costume for Lucy Knisley.
I’m sure you’ll come up with something…