Recreate your favorite scenes from Thomas and Friends! Featured in the King of the Railway DVD movie, Caitlin is a streamlined engine from the Mainland. Designed for speed, she loves to challenge the other engines to a race! Compatible with most TrackMaster track sets (sold separately). Requires 1 AA battery (not included). From the Manufacturer Brand-new moments straight from your favorite Thomas and Friends episodes are now captured in three-car sets. Each set includes one of your favorite characters pulling cargo.