Tradition
Once a year, on or around a date.
Fold your fast food paper bag into an origami creature
Slow down with your fast food. Turn the bag into a butterfly before you go.
Write a letter on aluminum foil and mail it
Tear off a sheet of aluminum foil, write a letter on it, and mail it to a friend. Use a Sharpie for this one.
Mail a paper airplane with a regular stamp
Throwing a paper airplane into the mailbox slot is a lot of fun!