The Polar Express Battery O Gauge Toy Train Set with Remote brings playtime to life with highly detailed locomotive, rolling stock, realistic water vapor smoke effect, durable plastic track, and trackside accessories! Lionel Battery O Gauge Train Sets operate via Bluetooth or with the included remote, contains an exclusive new Battery O Gauge 2-Rail Track System, and features Water-Vapor Smoke Effects. Locomotive and Rolling stock are capable of running on Lionel O Gauge 3-Rail FasTrack, however does not require track power. Lionel O Gauge FasTrack is sold separately (not included). Set includes (1) Battery-powered Locomotive, (1) Tender, (3) Illuminated Passenger Cars, (1) Remote Control, (10) Straight Battery O Gauge Track Pieces, (16) Curved Battery O Gauge Track Pieces, (2) Right Interchange Battery O Gauge Switches, (2) Left Interchange Battery O Gauge Switches, (1) Figure 8 Crossover Battery O Gauge Track Pieces, (1) Water Bottle Dropper, (4) Road Signs, and (2) Trees. Features a battery-powered locomotive, operating headlight, illuminated passenger cars, water-vapor smoke effects, fixed knuckle couplers, trackside accessories, and authentic train sounds. Train set requires adult assembly, (4) AA and (9) AAA Batteries for operation (not included). Wipe with a soft cloth to clean and remove all batteries when not in use. Lionel Battery O Gauge products are NOT compatible with Lionel Ready-to-Play products. Recommended for ages 4 years and up.