Surprise your office mate with this easy Post-It Note birthday banner!
The letters are easy to cut in uniform size when you start with the little square notes. Leave the sticky part at the top of your letter, and trim away. Can you think of something fun to do with these scraps? Birthday confetti?
If you're feeling ambitious, you might try a Post-It Note sculpture-
Yo Shimada's Post-It structure, image via designboom
Or a mural-
Photo via Buzzfeed