Abby Cadabby Sesame Street® 1st Birthday Luncheon Napkins. Abby Cadabby will help make your little girl's first birthday party a magical special celebration! Featuring Sesame Street's favorite fairy in training, these Abby Cadabby Sesame Street® 1st Birthday Luncheon Napkins are perfect for your party tables and make cleanup simple. Remember to order extra Abby Cadabby paper napkins for serving snacks, too! Paper. (3 dozen per set) 13" Sesame Workshop ©, Sesame Street © and associated characters, trademarks and design elements are owned and licensed by Sesame Workshop. © 2007 Sesame Workshop. All Rights Reserved.