6. Cut a piece of red craft foam in the shape of a mailbox flag.
7. Poke the brad through the mailbox flag, then poke the brad through the side of the mailbox. Open the prongs of the brad on the inside of the mailbox to secure the flag in place.
8. Stick the foam stickers on to the outside of the mailbox to decorate it.
Updated by Bethany Ramos on 1/21/2016