All Aboard! Locomotive with wind-up trailers 12-piece is the take-anywhere, play anytime train set! This wind-up train set comes in a clear plastic carrying case. Package contains total 12 pieces - One Steam engine locomotive, 2 railcars (Coal car and Caboose) and 8 pieces of railroad tracks and a carrying case. Comes in an assorted styles. Sorry no style selection is available. Conforms to the safety requirements of ASTM F963. Recommended for children over the age of 3.