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

Hawthorne Village Set Of 3 Trains
Hawthorne Village Set Of 3 Trains
$83.00
Time Remaining: 3h 59m
Buy It Now for only: $200.00
RS MICROLUX TOOLS SET SWORD SAWJIGSAW FILING MACHING  POWER SUPPLY ON BASE
RS MICROLUX TOOLS SET SWORD SAWJIGSAW FILING MACHING POWER SUPPLY ON BASE
$99.95
Time Remaining: 5h 27m
KATO N gauge 787 system Around the Kyushu 7 Car Set 10 1540 model railroad train
KATO N gauge 787 system Around the Kyushu 7 Car Set 10 1540 model railroad train
$188.23
Time Remaining: 1d 10h 9m
Buy It Now for only: $188.23
KATO N gauge 251 based super view Dancer appeared during coating 10 Car Set S
KATO N gauge 251 based super view Dancer appeared during coating 10 Car Set S
$275.67
Time Remaining: 1d 10h 9m
Buy It Now for only: $275.67
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: 3d 32m
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: 3d 32m
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: 3d 32m
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: 3d 34m
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: 3d 34m
Buy It Now for only: $54.19
Set of 3 Bachmann Spectrum 0n30 DRG  W Train Passenger Baggage Combine Cars
Set of 3 Bachmann Spectrum 0n30 DRG W Train Passenger Baggage Combine Cars
$149.99
Time Remaining: 3d 19h 42m
Buy It Now for only: $149.99
PreOrder KATO N gauge 701 based 1000 series Sendai color 2 Car Set 101554 mod
PreOrder KATO N gauge 701 based 1000 series Sendai color 2 Car Set 101554 mod
$102.14
Time Remaining: 12d 9h 10m
Buy It Now for only: $102.14
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 22h 1m
Buy It Now for only: $89.95
Hawthorne Village Spirit of America Train set New in Box with Flags
Hawthorne Village Spirit of America Train set New in Box with Flags
$99.00
Time Remaining: 16d 18h 39m
Buy It Now for only: $99.00
On30HO Side Dump Wagons Mining car Ore Erz Car x 3pcs 3 Stck set per box
On30HO Side Dump Wagons Mining car Ore Erz Car x 3pcs 3 Stck set per box
$69.00
Time Remaining: 17d 7h 7m
Buy It Now for only: $69.00
KATO N gauge 12 based express shaped passenger railway specification 6 Car Set 1
KATO N gauge 12 based express shaped passenger railway specification 6 Car Set 1
$124.99
Time Remaining: 17d 9h 39m
Buy It Now for only: $124.99
KATO N gauge old form passenger 4 Car Set tea 10 034 model railroad passenger ca
KATO N gauge old form passenger 4 Car Set tea 10 034 model railroad passenger ca
$64.94
Time Remaining: 17d 9h 39m
Buy It Now for only: $64.94
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET LARGE SET
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET LARGE SET
$450.00
Time Remaining: 18d 18h 15m
Buy It Now for only: $450.00
Narrow Gauge Cumbres  Toltec 6 CD PHOTO SET 1300 JPEGS
Narrow Gauge Cumbres Toltec 6 CD PHOTO SET 1300 JPEGS
$29.99
Time Remaining: 18d 22h 12m
Buy It Now for only: $29.99
KATO N gauge 701 based 1000 series Sendai color 4 Car Set 10 1553 model railroa
KATO N gauge 701 based 1000 series Sendai color 4 Car Set 10 1553 model railroa
$181.64
Time Remaining: 19d 8h 7m
Buy It Now for only: $181.64
KATO N gauge old form passenger 4 Car Set tea 10 034 model railroad passenger c
KATO N gauge old form passenger 4 Car Set tea 10 034 model railroad passenger c
$103.77
Time Remaining: 19d 8h 7m
Buy It Now for only: $103.77
Kato 10 812 Series 24 Sleeper Express Yuzuru 6 Car Add on Set
Kato 10 812 Series 24 Sleeper Express Yuzuru 6 Car Add on Set
$141.38
Time Remaining: 19d 8h 7m
Buy It Now for only: $141.38

Other On30 Scale train items recently purchased through this site:

Hawthorne Village Set Of 3 Trains
BACHMANN On30 TRAIN SET ANALOG WHITE PASS YUKON PASS SET NEWTK
RGS Sunrise Locomotive 15mm F 1203 Model Railroad Water Slide Decal Set SJD255
Set of 3 Bachmann Spectrum 0n30 DRG W Train Passenger Baggage Combine Cars
Bachmann On30 Scale Train Set Analog White Pass Yukon Passenger Set 25024
Narrow Gauge Cumbres Toltec 6 CD PHOTO SET 1300 JPEGS
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
RS MICROLUX TOOLS SET SWORD SAWJIGSAW FILING MACHING POWER SUPPLY ON BASE
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET 13 PC COMPLETE LARGE SET
Hawthorne Village Spirit of America Train set New in Box with Flags
10 1536 415 Series Joban Line New Color 4Car Additional Set
Bachmann On30 Scale Train Caboose Off Set Cupola Durango Silverton 26565
10 1537 415 Series Joban Line New Color 4Car Set
10 1488 165 Series Express Sado 7Cars Basic Set
Kato N Gauge Series E235 Yamanote Line Add on B 3 Car Set 10 1470 Japan Im
Bachmann On30 Scale Train Caboose Off Set Cupola Caboose White Pass Yukon 26564
10 1535 415 Series Joban Line New Color 7Car Basic Set
KATO N gauge 787 system Around the Kyushu 7 Car Set 10 1540 model railroad train
Kato 10 812 Series 24 Sleeper Express Yuzuru 6 Car Add on Set
Kato N Gauge Series M250 Super Rail Cargo Container Basic 4 Car Set 10 1418
Kato N Gauge Series 221 Renewal car Yamatoji Kaisoku Basic 4 Car Set 10 14
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET LARGE SET
10 1571 Shinano Railway 115 Series 3Car Set
Kato N Gauge ICE4 5 Both hematopoiesis Set 10 1513 Model Railroad Train
Bachmann On30 Scale Train Set Battery Operated Norman Rockwell Christmas 25100