Christmas Tree Train set is a moving train that fits right in your tree! The animated engine car comes with a flashing headlight and realistic engine sound! The approximately 35 inch diameter track adjusts to fit most artificial and natural trees from 6 ft to 7.5 ft tall. Includes 8 track sections 8 support struts tree clamp engine, caboose, and fuel car. Needs 4 AA batteries, not included. Easy to assemble, no tools required. Recommended for ages 8 and up. Does not smoke. Train is 17 inches long!