Answer: ogauge

AnswerCrossword Clue
OGAUGEModel train track standard
OGAUGEModel-train track size
OGAUGEModel railroad scale
OGAUGEPopular model-railroading scale
OGAUGEToy-train scale
OGAUGEHobbyist's scale
OGAUGEModel-railroad scale
OGAUGETrack choice for Lionel trains