"Create your own adventures for Thomas & Friends with the Fisher-Price TrackMaster engines. Merlin is an experimental engine with three funnels who believes he can turn invisible. This die-cast vehicle is highly detailed and features a plastic connector that allows Merlin the Invisible to be attached to other Thomas & Friends Trackmaster engines. Merlin is perfect for push along play or for combining with other Thomas & Friends TrackMaster playsets to recreate all your favourite moments from the show. Thomas & Friends fun for fans 3 and over."
Fisher-Price Thomas & Friends TrackMaster - Merlin the Invisible