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 sets'.

THREE VOLUME SET RIO GRANDE Chasing the Narrow Gauge Vol I  II  III
THREE VOLUME SET RIO GRANDE Chasing the Narrow Gauge Vol I II III
$150.00
Time Remaining: 2d 8h 41m
Buy It Now for only: $150.00
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: 2d 10h 48m
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: 2d 10h 48m
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: 2d 10h 48m
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: 2d 10h 50m
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: 2d 10h 50m
Buy It Now for only: $54.19
Narrow Gauge Cumbres  Toltec 6 CD PHOTO SET 1300 JPEGS
Narrow Gauge Cumbres Toltec 6 CD PHOTO SET 1300 JPEGS
$29.99
Time Remaining: 5d 8h 28m
Buy It Now for only: $29.99
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: 6d 7h 54m
Buy It Now for only: $260.00
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET 13 PC COMPLETE LARGE SET
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET 13 PC COMPLETE LARGE SET
$425.95
Time Remaining: 13d 1h 36m
Buy It Now for only: $425.95
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET LARGE SET
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET LARGE SET
$500.00
Time Remaining: 13d 4h 31m
Buy It Now for only: $500.00
HOe 9mm JOUEF VE MV 02 TRAIN SET
HOe 9mm JOUEF VE MV 02 TRAIN SET
$99.99
Time Remaining: 13d 14h 1m
Buy It Now for only: $99.99
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: 20d 5h 31m
Buy It Now for only: $99.99
DRGW Locomotives 15mm F 1203 Model Railroad Water Slide Decal Set SJD254
DRGW Locomotives 15mm F 1203 Model Railroad Water Slide Decal Set SJD254
$32.42
Time Remaining: 22d 15h 16m
Buy It Now for only: $32.42
RGS Sunrise Locomotive 15mm F 1203 Model Railroad Water Slide Decal Set SJD255
RGS Sunrise Locomotive 15mm F 1203 Model Railroad Water Slide Decal Set SJD255
$33.54
Time Remaining: 22d 15h 18m
Buy It Now for only: $33.54
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set O 148
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set O 148
$144.59
Time Remaining: 27d 9h 55m
Buy It Now for only: $144.59
Hawthorne Village Kinkade Express Train Bachmann Christmas Gate St Nicholas Set
Hawthorne Village Kinkade Express Train Bachmann Christmas Gate St Nicholas Set
$175.50
Time Remaining: 28d 16h 51m
Buy It Now for only: $175.50
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: 29d 8h 17m
Buy It Now for only: $89.95

Other On30 Scale train items recently purchased through this site:

HOe 9mm JOUEF VE MV 02 TRAIN SET
Bachmann On30 Scale Train Caboose Off Set Cupola Durango Silverton 26565
2 car set 1203 Scale Narrow Gauge Fall River Gondola flat car
Scale Model Masterpieces Yorke Logging Camp Cook Bunk House Set O 148
On30 Scale Ultimate Railroad Prototype Picture CD Collection Set 25000+ images
Hawthorne Village Kinkade Express Train Bachmann Christmas Gate St Nicholas Set
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
DRGW Locomotives 15mm F 1203 Model Railroad Water Slide Decal Set SJD254
Narrow Gauge Cumbres Toltec 6 CD PHOTO SET 1300 JPEGS
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christm
THREE VOLUME SET RIO GRANDE Chasing the Narrow Gauge Vol I II III
RGS Sunrise Locomotive 15mm F 1203 Model Railroad Water Slide Decal Set SJD255
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET LARGE SET
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET 13 PC COMPLETE LARGE SET
Bachmann On30 Scale Train Set Analog White Pass Yukon Passenger Set 25024
Bachmann On30 Scale Train Set Battery Operated Norman Rockwell Christmas 25100
Bachmann On30 Scale Train Caboose Off Set Cupola Caboose White Pass Yukon 26564