Ride the rails with your favorite CHUGGINGTON DIE CAST Stacktrack trains Koko, Brewster, Action Chugger and Frostini! Speed the rails with Koko or make your own ice cream with Frostini! With realistic detail very close to the show, these die casts are durable and can withstand years of play. Connect them together with the secure front and back couplings. Play with Chuggington Die Cast Stacktrack sets for endless possibilities!