Thomas the Tank Engine Train 3rd Happy Birthday Balloon Kit Thomas the Tank Engine Train 3rd Third happy Birthday Mylar Balloons Includes Thomas the Train Balloon that lasts months! Thomas the Train & Friends Mylar Balloons (2); 18" Blue StarHappy Birthday Mylar Balloons Number 3 Mylar Balloon 34 inches huge EXCLUSIVITY - Created and sold only on Amazon.com, this set can only be purchased here and now!