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'.

KATO N gauge 209 based 500 series PS28 equipped Ch Sbu Line Basic 6 Car Set 1
KATO N gauge 209 based 500 series PS28 equipped Ch Sbu Line Basic 6 Car Set 1
$276.79
Time Remaining: 13h 15m
Buy It Now for only: $276.79
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: 23h 5m
Buy It Now for only: $89.95
Bachmann SPIRIT AMERICA 2 6 0 Mogul Steam Locomotive TRAIN SET On30 NARROW GAUGE
Bachmann SPIRIT AMERICA 2 6 0 Mogul Steam Locomotive TRAIN SET On30 NARROW GAUGE
$99.99
Time Remaining: 1d 4h 50m
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: 2d 8h 11m
Buy It Now for only: $69.00
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET LARGE SET
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET LARGE SET
$425.00
Time Remaining: 3d 19h 19m
Buy It Now for only: $425.00
3 105 HO Gauge Unitrack HM1 R670 Endless Track Basic Set
3 105 HO Gauge Unitrack HM1 R670 Endless Track Basic Set
$210.49
Time Remaining: 3d 20h 9m
Buy It Now for only: $210.49
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
$188.08
Time Remaining: 3d 20h 9m
Buy It Now for only: $188.08
Kato N Gauge E231 System 0 Series Ch   S bu Line 6 Both Basic Set 10 1520 M
Kato N Gauge E231 System 0 Series Ch S bu Line 6 Both Basic Set 10 1520 M
$230.28
Time Remaining: 3d 20h 34m
Buy It Now for only: $230.28
Kato N Gauge E231 System 0 Series Ch   S bu Line 4 Both hematopoiesis Set 1
Kato N Gauge E231 System 0 Series Ch S bu Line 4 Both hematopoiesis Set 1
$192.44
Time Remaining: 3d 20h 36m
Buy It Now for only: $192.44
KATO N gauge DE10 JR Kyushu specification 2 Car Set Special product 10 1534 mode
KATO N gauge DE10 JR Kyushu specification 2 Car Set Special product 10 1534 mode
$287.41
Time Remaining: 4d 14m
Buy It Now for only: $287.41
Hawthorn Village Coca Cola  Wherever Santa Goes train set in original boxes
Hawthorn Village Coca Cola Wherever Santa Goes train set in original boxes
$275.00
Time Remaining: 4d 8h 46m
Buy It Now for only: $275.00
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
$209.80
Time Remaining: 4d 9h 10m
Buy It Now for only: $209.80
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
$182.76
Time Remaining: 4d 9h 10m
Buy It Now for only: $182.76
Kato 10 1447 Type E001 Train Suite Shikishima 10 Cars Set N scale Japan
Kato 10 1447 Type E001 Train Suite Shikishima 10 Cars Set N scale Japan
$664.73
Time Remaining: 4d 9h 10m
Buy It Now for only: $664.73
10 1548 20 Series Car Train Kyushu 13 Car Set Specially Planned Item
10 1548 20 Series Car Train Kyushu 13 Car Set Specially Planned Item
$321.96
Time Remaining: 4d 9h 10m
Buy It Now for only: $321.96
Double Track Attachment Set for Automatic Crossing Gate S Model Train
Double Track Attachment Set for Automatic Crossing Gate S Model Train
$89.19
Time Remaining: 4d 9h 10m
Buy It Now for only: $89.19
Kato N Gauge E235 Series Yamanote Line hematopoiesis Set A 4 Both 10 1469 Rail
Kato N Gauge E235 Series Yamanote Line hematopoiesis Set A 4 Both 10 1469 Rail
$137.30
Time Remaining: 4d 9h 10m
Buy It Now for only: $137.30
KATO N Gauge Starter Set 500 Shinkansen Nozomi 10 003 Model Railroad Introducto
KATO N Gauge Starter Set 500 Shinkansen Nozomi 10 003 Model Railroad Introducto
$439.77
Time Remaining: 4d 9h 10m
Buy It Now for only: $439.77
10 030 KATO Starter Set E235 Series Yamanote Line
10 030 KATO Starter Set E235 Series Yamanote Line
$428.94
Time Remaining: 4d 9h 10m
Buy It Now for only: $428.94
10 1500 35 4000 Series SL Yamaguchi Gou 5Car Set
10 1500 35 4000 Series SL Yamaguchi Gou 5Car Set
$207.75
Time Remaining: 4d 9h 10m
Buy It Now for only: $207.75
Type 923 3000 DOCTOR YELLOW Shinkansen Inspection Cars Basic 3 Car Set M
Type 923 3000 DOCTOR YELLOW Shinkansen Inspection Cars Basic 3 Car Set M
$156.24
Time Remaining: 4d 9h 11m
Buy It Now for only: $156.24

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Bachmann SPIRIT AMERICA 2 6 0 Mogul Steam Locomotive TRAIN SET On30 NARROW GAUGE
Set of three Hawthorne Village trains
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET 10 PC COMPLETE LARGE MIB
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET 13 PC COMPLETE LARGE SET
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
BACHMANN HAWTHORNE VILLAGE SPIRIT OF AMERICA TRAIN SET LARGE SET
Hawthorn Village Coca Cola Wherever Santa Goes train set in original boxes
RGS Sunrise Locomotive 15mm F 1203 Model Railroad Water Slide Decal Set SJD255
KATO N gauge 12 based express shaped passenger railway specification 6 Car Set 1
KATO N gauge ICE4 7 both basic set 10 1512 model railroad train
KATO N gauge old form passenger 4 Car Set tea 10 034 model railroad passenger c
DRGW Locomotives 15mm F 1203 Model Railroad Water Slide Decal Set SJD254
KATO N gauge 12 based express shaped passenger railway specification 6 Car Set 1
KATO N gauge 115 based 1000 series Nagano color 3 Car basic set 10 1428 mo 3cr
KATO Alps Red Passenger Car Rhaetian Railway EW1 4Car Basic Set
KATO N gauge 251 based super view Dancer appeared during coating 10 Car Set S
KATO N gauge 201 based center line color T organized 6 both basic set 10 1551 mo
KATO N gauge 923 form 3000 series Doctor Yellow hematopoiesis 4 Car Set 10 897 m
10 1536 415 Series Joban Line New Color 4Car Additional Set
10 1537 415 Series Joban Line New Color 4Car Set
10 1519 Cruise Train Seven Stars in Kyushu 8 Car Set Specially Planned Item
KATO N scale E657 series Hide them Tokiwa Basic 6 car set 10 1397 Model train