"He's a Really Useful Engine you know!" Join us and Thomas for a magical journey around the Island of Sodor! We here at Really Useful Engines have done our best to give a certain variety of quality on ROBLOX to deliver a world that can give any user young or old the nostalgia of the classic series of Thomas the Tank Engine & friends right here with much more to come in the future down the line. Really Useful Engines is a community-based and developed game based on Thomas the Tank Engine & Friends and respects the Intellectual Property of the current owner. All other trademarks and copyrights are owned by Mattel.