#433a, Calico Mine Car in HO/HOn3 scale: This white-metal mine car kit is supplied by Alexander Scale Models, and is the perfect addition to your Idaho Springs Mine. It comes as an 11 piece kit ready to put together and to be painted and/or weathered. This kit can be made as a static or functional mine car. All that's needed is to adjust the mine car track width so this car can roll and dump it's load of ore.