BRIO Monorail Airport Set 22 pieces; battery powered Monorail train, terminal with control tower, track risers, airplane with moveable stairs, airline captain and passenger Board the battery powered Monorail train to get to your plane (1 AA battery not included) Take the Monorail out to the airport to catch your flight, get on the plane and you're off on a new adventure Works with all BRIO trains and accessories For ages 3+