Invite friends to stop by Sesame Street with our Sesame Street 1st Birthday Invitations! Invitations feature Elmo, Big Bird and Cookie Monster against a yellow background with a colorful "1st BIRTHDAY PARTY!" headline. Send Sesame Street 1st Birthday Thank You Notes to your favorite pals and seal with a colorful "SAVE THE DATE!" sticker or with Elmo's cute face! Package includes 20 Sesame Street 1st Birthday Invitations, 20 envelopes and 20 stickers.