Find your way to Sesame Street with a little help from your friends Big Bird, Elmo, Oscar the Grouch, and Cookie Monster! has teamed up with the Sesame Street cast to bring you these yarn and character hat topper sets in four colorways. Each 95 yard (87 m) cake of 100% polyester yarn will make one child-sized hat. (Instructions are available for both knit and crochet versions.) Requires needles size 8 (5.0) mm or crochet hook size I-J (5.5 mm).