Celebrate Christmas with Elmo and his friends on Sesame Street with this festive, holiday gift set complete with a Christmas countdown poster. Sesame Street's #1 character Elmo celebrates Christmas in this deluxe gift set including Elmo's 12 Days of Christmas and Elmo's Christmas Countdown . These two Christmas classics are together for the first time in one volume encased in a beautiful and durable slipcase and includes a Christmas count-down poster and stickers for endless holiday fun for the entire family. Sesame Street debuted in 1969 and has been defining children's programming ever since. More than 90 million kids have watched Sesame Street in over the past four-and-a-half decades. Sesame Workshop is based in New York City.