This is Narrow Gauge 1/80 Scale model Scale is 1/80 Gauge is 9.0mm Train can be motorized – For the power unit, the newly released TM-TR07 for 2-axle vehicles is compatible with locomotives (not compatible with trailer parts), and for traveling parts, TT-04R is compatible with passenger cars (former trains).- If the traction force of the locomotive is insufficient due to a slope, etc., it is possible to motorize the passenger car (former train) as auxiliary power (attached to the bogie frame for power).- In that case, TM-06R is suitable for A set and TM-05R is suitable for B set.- For pantographs, we recommend <0224> PS13 for B set locomotives and <0238> PG16 for both sets of passenger cars (former trains) (if you want to raise them). * If only TM-TR07 is motorized, it may not be possible to climb the slope depending on the slope.* Super mini curve rails are not supported.* Exhibition pedestal is not included.