Go to your local hobby shop, Lionel supplier or go to www.lionel.com.
Mel, I would post this question on one of the forums @ trains.com. It's an excellent site with lots of knowledgeable people. Rob
I'll start with the smallest and move up. Z scale is the smallest and the newest. It's 1/220 scale which means one foot equals 220 feet. The next is N scale which is 1/160. The next is HO which is 1/87. S scale is 1/64 O scale is 1/48, On30 is the sm...