Lionel Cpkc Maxi Stack LionChief Freight Electric O Gauge Bluetooth 5.0 Train Set with Remote includes everything you need to get started, including a locomotive, cars, track, power supply and remote control. This 24 piece set includes detailed decoration, is Bluetooth compatible, and contains unique features like detailed sounds, and lights. Operation Technology via the Lionel LionChief App includes Bluetooth 5.0 that allows you to operate your train via any compatible smart device. Lionel Voice Control allows you to run your locomotive by speaking commands.