We've searched the internet and found the largest collection of On30 Scale trains for sale is on eBay. Below are the listings for 'scale railway'.

G Scale 16mm 119 Scratch Built Railway Salt Van Weathered High Quality
G Scale 16mm 119 Scratch Built Railway Salt Van Weathered High Quality
$125.00
Time Remaining: 6d 4h 33m
Hawthorne Village Silver Moon Express Wolf Walk Box Car Railroad Track HO Scale
Hawthorne Village Silver Moon Express Wolf Walk Box Car Railroad Track HO Scale
$37.49
Time Remaining: 12d 5h 10m
Buy It Now for only: $37.49
Hawthorne Village Silver Moon Express Wolf Ridge Box Car Railroad Track HO Scale
Hawthorne Village Silver Moon Express Wolf Ridge Box Car Railroad Track HO Scale
$37.49
Time Remaining: 12d 5h 15m
Buy It Now for only: $37.49
Kato Japan 14 503 1 Chibi Den Streetcar Tram Train N scale Railway model
Kato Japan 14 503 1 Chibi Den Streetcar Tram Train N scale Railway model
$85.08
Time Remaining: 28d 12h 53m
Buy It Now for only: $85.08

Other On30 Scale train items recently purchased through this site:

G Scale 16mm 119 Scratch Built Railway Salt Van Weathered High Quality
Hawthorne Village Silver Moon Express Wolf Walk Box Car Railroad Track HO Scale
Hawthorne Village Silver Moon Express Wolf Ridge Box Car Railroad Track HO Scale
Kato Japan 14 503 1 Chibi Den Streetcar Tram Train N scale Railway model