In the same vein- the mystery standard gauge subway car. It's a wind-up toy, which coincidentally does have flanged wheels with standard gauge spacing, but the trucks don't swivel, so it's basically a floor toy. It's certainly neat looking, and as an added bonus has lights (battery powered) both front and rear. See the photo of the logo (YM?)- I'm hoping someone will recognize the maker. This is definitely a candidate for conversion to operation!