Celebrate in a BIG way with a super sized balloon! Our 28" Elmo Sing-A-Tune Mylar Balloon is the perfect addition to your birthday party decor. Sing-a-Tune balloons bring the party to life, simply tap the balloon and Elmo sings "Happy Birthday to You"! A great option on its own, or you can add other mylar and latex balloons for a bright birthday bouquet or centerpiece! Sold uninflated.