TEMI electric classical train set is a battery-operated locomotive that blows real smoke. With this ready-to-play set comes an exclusive track system that allows you to create circles, rectangles, or ovals all snap into place and come apart for convenient storage. Recommended for children age 3 and up. Choking hazard, not for kids under 3 smoke will be produced from the chimney when the train starts running. The electric train model has the realistic design of linkage wheel, LED light, realistic train sounds, and simulated smoke. The electric train set is powered by 41.5V AA batteries (not included) please loosen the screw and open the cover to install batteries.