Stephen (also released as Rocket) is one of the earliest engines ever built. He is based on the famous steam engine, Stephenson's Rocket.
- TrackMaster by Fisher-Price version (2013-2014)
- Plarail version (2014-present)
- Motor in tender.
- Motorized Railway version (2014-present)
- Single unit.
- Stephen with Red Well Wagon with crown (Plarail)
- Stephen (Motorized Railway)
- Stephen without tender (TrackMaster [Fisher-Price])
- Stephen's siderods are unique for TrackMaster and Plarail engines.
- He and Oliver are the only engines to have their side rods connected by their front wheel.