Use pencil eraser as a stamp, and stamp red confetti dots onto envelope. From your home computer, print out letters to spell “T-O M-Y P-A-R-T-Y.” Cut out letters, hole punch, string yarn through. Make four hole punches on the front of the invitation, punch two where the Sock Monkey’s hands are, and pull string through the holes.
Tie nots to secure the banners inside, and trim yarn with scissors. Seal envelope with a sticker.