Plastic Remote Control Train: The remote control has start, stop, acceleration, retreat and sound functions that control the mobility of the train. A total of 8 AA batteries are required. Smoking: Just add a little water to the locomotive. When the train is running, the chimney can generate smoke like a real steam train. Sound and Light: It can make a clanging sound like a real steam train. The sound can also be turned off. The lights of the locomotive can turn red. High-quality Wide Tracks: The Size of the elliptical track is 81" X 58". The diameter of the circular track is 58". The width of the track is 3.6". The track has the function of stopping the train. The track quality is super good, easy to install and you don't have to worry about derailing! Locomotion Under a Christmas Tree: Kids will love this train as a Christmas gift because of it's unique ability to move freely under a Christmas tree.