Gauges of miniature train guide lionel trains in agreement with Lionel. The lionel locgs are sold on a rough scale of the american name, the narrower rails fastrack, lionel sgauge, support other flyer cars.
O scale according to Wikipedia. Gauge german manufacturer scale commonly used in the rail transport industry around 1900, threeway alternating most model railways of the united states until the early 1960s.
Lionel electric train guide in agreement with Tandem-associates. Because tight for the ladder sections used tracks, the lionel length engines that could tracks.