If your son or daughter can't get enough of Blue's Clues, throw them a Blue's Clues themed birthday party! Choose one of our four Blue's Clues balloons to create the perfect atmosphere for your child's party. Whether you go with the 28" Blue's Clues Head Foil/Mylar Balloon or the 18" Blue's Room Happy Birthday Foil/Mylar Balloon, your child will smile ear to ear when you bring out one of these fun balloons!