The most common scales for model trains and sets are O scale and HO scale ... The simple answer is, no. HO and O are completely different scales. HO is 1:87, while O scale is 1:48.

Dennis Lakomy has been collecting and running model trains since his dad gave him his first model train set in 1962.

[Mario] can take his train set on the road with him because he build ... and it’s requisite parts made plenty of room for the N-scale railroad (that’s really small stuff!).