Chuggington  StackTrack Chug-A-Sonic Koko
Chug-a-Sonic Koko is a fearless female streamlined Eurostar-type passenger engine built for high speed. Because Koko loves speed and is an electric engine who draws power directly from the tracks, she has been asked to join the Chug-a-Sonic bullet train team. As part of the team, Koko will practice racing across town, delivering passengers to their destinations. Die-Cast Chug-a-Sonic Koko features turbo boosters on her sides to help her go faster than ever!