Mega Bloks Chuggington Roundhouse Racing Includes 5-part buildable Calley with flashing light and 8-part buildable Brewster with mouth-movement for lots of fun Tracks, racing flags and 2 cool launchers for racing action 3 buildable Roundhouses with opening doors and a turntable for when it is time to say goodnight 2-in-1 build and rebuild possibilities Hours of fun on its own or with other Mega Bloks Chuggington Construction sets!