Wondertoys Introductory Sale Beautiful Police and Ambulance Train and Track Set - Cars Ride by Themselves on The Tracks with Lights and Sounds. 19 Piece Set 19 PIECE TRAIN AND TRACK SET LIGHTS AND MUSIC - Beautiful flashing colorful led lights and plays sirens while running on the tracks. POLICE AND AMBULANCE VEHICLES - Very cute how the police and ambulance are moving around on the own assembled tracks blinking lights and siren sounds. STREET SIGNS - Very cute street signs like "Stop" or "Caution" etc. BATTERY OPERATED - Each car needs two AA batteries (Not included)