Toot toot! Just blow the whistle for Whistle 'n' Go Thomas to move forward, stop or reverse. This train toy is a great new way for your budding engine driver to interact with and control their favourite train, Thomas the Tank Engine. Whistle once and Thomas moves forward, whistle again and Thomas stops, whistle twice and Thomas reverses. He can also be used as a push along toy. Requires 2 "AA Batteries (not included)