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: 23h 31m
Buy It Now for only: $89.95
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 37m
Buy It Now for only: $664.73
Kato 10 1490 14 Type Number 7000 Super Express Rainbow 7 Cars Set N Scale
Kato 10 1490 14 Type Number 7000 Super Express Rainbow 7 Cars Set N Scale
$234.22
Time Remaining: 4d 9h 37m
Buy It Now for only: $234.22
KATO N scale 165 series Iida Line Express INA 4 car set 10 1335 Model train Tra
KATO N scale 165 series Iida Line Express INA 4 car set 10 1335 Model train Tra
$167.78
Time Remaining: 4d 9h 37m
Buy It Now for only: $167.78
Kato N Scale Unitrack Rural Station Set
Kato N Scale Unitrack Rural Station Set
$86.36
Time Remaining: 4d 9h 37m
Buy It Now for only: $86.36
KATO N scale 681 series Shirasagi Basic 6 car set 10 1313 Model train Train
KATO N scale 681 series Shirasagi Basic 6 car set 10 1313 Model train Train
$299.20
Time Remaining: 4d 9h 37m
Buy It Now for only: $299.20
KATO N scale E657 series Hide them Tokiwa Basic 6 car set 10 1397 Model train
KATO N scale E657 series Hide them Tokiwa Basic 6 car set 10 1397 Model train
$351.38
Time Remaining: 4d 9h 37m
Buy It Now for only: $351.38
Hawthorne Village Bachmann Spirit Of America On30 Scale Train Set Complete
Hawthorne Village Bachmann Spirit Of America On30 Scale Train Set Complete
$349.00
Time Remaining: 5d 22h 55m
Buy It Now for only: $349.00

Other On30 Scale train items recently purchased through this site:

Hawthorne Village Bachmann Spirit Of America On30 Scale Train Set Complete
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
Kato N Scale Unitrack Rural Station Set
KATO N scale E657 series Hide them Tokiwa Basic 6 car set 10 1397 Model train
KATO N scale 681 series Shirasagi Basic 6 car set 10 1313 Model train Train
Kato 10 1447 Type E001 Train Suite Shikishima 10 Cars Set N scale Japan
Kato 10 1490 14 Type Number 7000 Super Express Rainbow 7 Cars Set N Scale
KATO N scale 165 series Iida Line Express INA 4 car set 10 1335 Model train Tra