TMCC run and conventional Lionel. O, standard, monorail, 2 7/8”, OO gauges. Usually operate 5 trains at one time. See layout in TM's Great Layouts #4. Tin plate fantasy is the theme. Not serious about scale. 1,000+ trains on display: Lionel, American Flyer, Dorfan, Ives, Overland Flyer, Marx, Hornby, Bassett Lowke, Paya, Märklin, JEP, Electoy, Voltamp, Maras-ceau, Ferris, Buddy-L, Non-Pareil, Hoge, Dominion Flyer, Unique and more.