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

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: 15d 9h 26m
Buy It Now for only: $89.95
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: 21d 6h 40m
Buy It Now for only: $99.99
2 car set 1203 Scale Narrow Gauge Fall River Gondola flat car
2 car set 1203 Scale Narrow Gauge Fall River Gondola flat car
$260.00
Time Remaining: 24d 8h 39m
Buy It Now for only: $260.00
Summer Crossing Gate Hawthorne Village Bachmann HO Scale Accessory Set MIB
Summer Crossing Gate Hawthorne Village Bachmann HO Scale Accessory Set MIB
$29.99
Time Remaining: 28d 9h 6m
Buy It Now for only: $29.99
Hawthorne Village Bachmann HO Scale 90 Degree Crossing Accessory Set MIB
Hawthorne Village Bachmann HO Scale 90 Degree Crossing Accessory Set MIB
$29.99
Time Remaining: 28d 9h 39m
Buy It Now for only: $29.99
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
$276.45
Time Remaining: 32d 11h 57m
Buy It Now for only: $276.45
Bachmann On30 Scale Train Set Analog White Pass  Yukon Passenger Set 25024
Bachmann On30 Scale Train Set Analog White Pass Yukon Passenger Set 25024
$331.88
Time Remaining: 32d 11h 57m
Buy It Now for only: $331.88
Bachmann On30 Scale Train Set Battery Operated Norman Rockwell Christmas 25100
Bachmann On30 Scale Train Set Battery Operated Norman Rockwell Christmas 25100
$190.54
Time Remaining: 32d 11h 57m
Buy It Now for only: $190.54
Bachmann On30 Scale Train Caboose Off Set Cupola Caboose White Pass Yukon 26564
Bachmann On30 Scale Train Caboose Off Set Cupola Caboose White Pass Yukon 26564
$54.19
Time Remaining: 32d 11h 59m
Buy It Now for only: $54.19
Bachmann On30 Scale Train Caboose Off Set Cupola Durango  Silverton 26565
Bachmann On30 Scale Train Caboose Off Set Cupola Durango Silverton 26565
$54.19
Time Remaining: 32d 11h 59m
Buy It Now for only: $54.19

Other On30 Scale train items recently purchased through this site:

2 car set 1203 Scale Narrow Gauge Fall River Gondola flat car
Bachmann On30 Scale Train Set Analog White Pass Yukon Passenger Set 25024
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
Summer Crossing Gate Hawthorne Village Bachmann HO Scale Accessory Set MIB
Bachmann On30 Scale Train Caboose Off Set Cupola Caboose White Pass Yukon 26564
Bachmann On30 Scale Train Set Battery Operated Norman Rockwell Christmas 25100
Bachmann On30 Scale Train Caboose Off Set Cupola Durango Silverton 26565
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
Hawthorne Village Bachmann HO Scale 90 Degree Crossing Accessory Set MIB