Introducing the Thomas the Tank Engine Wooden Railway Battery Powered Thomas Engine Vehicle! The Battery operated Thomas features powerful 4-wheel drive to help Thomas climb any hill or slopedtrack on the Island of Sodor! Battery-Powered Thomas also features a working light! Works great with any Thomas and Friends Wooden Railway train set and provides endless hours of play! Measures about 3 1/2-inches long. Requires 1x "AA" batteries (not included). Ages 3 and up.