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: 2d 9h 21m
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
$529.31
Time Remaining: 5d 19h 27m
Buy It Now for only: $529.31
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
$144.15
Time Remaining: 5d 19h 27m
Buy It Now for only: $144.15
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
$138.77
Time Remaining: 5d 19h 27m
Buy It Now for only: $138.77
Kato N Scale Unitrack Rural Station Set
Kato N Scale Unitrack Rural Station Set
$67.48
Time Remaining: 5d 19h 27m
Buy It Now for only: $67.48
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
$157.64
Time Remaining: 5d 19h 27m
Buy It Now for only: $157.64
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
$168.04
Time Remaining: 5d 19h 27m
Buy It Now for only: $168.04
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: 7d 8h 46m
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