Little engines can do big things! Our 18" Thomas All Aboard Square Mylar Balloon is the perfect addition to your Thomas the Tank Engine birthday or theme party decor! This square mylar balloon features Thomas, Percy and James against a red and blue background, with "All Aboard - Since 1945" text. A great option on its own, or you can add other mylar and latex balloons for a bright bouquet or centerpiece! Sold uninflated.