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 train sets'.

O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
$89.95
Time Remaining: 1d 10h 32m
Buy It Now for only: $89.95
HO SCALE HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET
HO SCALE HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET
$130.00
Time Remaining: 3d 9h 17m
Buy It Now for only: $130.00
2 car set 1203 Scale Narrow Gauge Fall River Gondola flat car
2 car set 1203 Scale Narrow Gauge Fall River Gondola flat car
$350.00
Time Remaining: 3d 13h 4m
Buy It Now for only: $350.00
Logging Camp Cook Bunk House Set Thomas Yorke Scale Model Masterpieces On3 NEW
Logging Camp Cook Bunk House Set Thomas Yorke Scale Model Masterpieces On3 NEW
$142.45
Time Remaining: 6d 10h
Buy It Now for only: $142.45
On30 Scale Ultimate Railroad Prototype Picture CD Collection Set 25000+ images
On30 Scale Ultimate Railroad Prototype Picture CD Collection Set 25000+ images
$99.99
Time Remaining: 22d 7h 46m
Buy It Now for only: $99.99

Other On30 Scale train items recently purchased through this site:

Logging Camp Cook Bunk House Set Thomas Yorke Scale Model Masterpieces On3 NEW
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
On30 Scale Ultimate Railroad Prototype Picture CD Collection Set 25000+ images
2 car set 1203 Scale Narrow Gauge Fall River Gondola flat car
HO SCALE HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET