THOMAS TONY. THE TANK ENGINE Item #6570 & FRIENDS Ages: 3 Years & Up Thomas the Tank Engine & Friends™ Chug-Along Thomas * Requires 2 “AA” and 1 9-volt battery (not included) * Colors and decorations may vary. * Please retain instructions for future reference. For best performance and longer battery life, use on hard flat surfaces. Product may not function on long pile carpets. Remote control battery life lasts approximately 3 times longer than train battery life.