​Includes die-cast metal Diesel train engine ​Features plastic connectors to attach engines to cargo cars or tenders (sold separately and subject to availability) ​Works on Thomas and Friends Adventures train tracks (sold separately and subject to availability) ​Helps develop gross motor and sensory skills, and helps inspire imagination ​For preschool children ages 3 years and older ​This durable, Thomas and Friends push along die-cast Diesel train engine features plastic connectors to connect to other Thomas and Friends TrackMaster push along, die-cast train engines or tenders. Perfect for use with Thomas and Friends TrackMaster engines, tracks and playsets (sold separately and subject to availability).