Haktoys ATS Railway King Steam Locomotive Classical Freight Train Playset with Lights and Train Sound Highly detailed steam plastic locomotive and one coal wagon, and two freight wagons Includes a bottle of environmentally-friendly smoke oil Interchangeable tracks, music and sound effects. Track snaps together easily. Helps younger children develop hand-eye coordination and helps them develop cognitive skills and create imaginary scenarios for play 40.5" x 30.7" oval of snap-fit tracks. Requires 4 x 1.5V AA batteries