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 model trains'.

O ON30 SCALE SILVER CITY MODELS RESIN STEAM BOILER LOGGING
O ON30 SCALE SILVER CITY MODELS RESIN STEAM BOILER LOGGING
$39.95
Time Remaining: 10d 23h 34m
Buy It Now for only: $39.95
O SCALE On3 On30 1 48 WISEMAN MODELS OKT 22 KLEIBER OPEN CAB FLAT BED TRUCK KIT
O SCALE On3 On30 1 48 WISEMAN MODELS OKT 22 KLEIBER OPEN CAB FLAT BED TRUCK KIT
$54.95
Time Remaining: 14d 2h 30m
Buy It Now for only: $54.95
HOn3 BRASS DRGW UNITED SCALE MODELS TENDER TRUCKS NIB
HOn3 BRASS DRGW UNITED SCALE MODELS TENDER TRUCKS NIB
$39.99
Time Remaining: 14d 12h 6m
Buy It Now for only: $39.99
Triangle Scale Models Sn3 6200 series Flat Car Kit FREE SHIPPING
Triangle Scale Models Sn3 6200 series Flat Car Kit FREE SHIPPING
$25.00
Time Remaining: 28d 13h 26m
Buy It Now for only: $25.00

Other On30 Scale train items recently purchased through this site:

HOn3 BRASS DRGW UNITED SCALE MODELS TENDER TRUCKS NIB
O ON30 SCALE SILVER CITY MODELS RESIN STEAM BOILER LOGGING
O SCALE On3 On30 1 48 WISEMAN MODELS OKT 22 KLEIBER OPEN CAB FLAT BED TRUCK KIT
Triangle Scale Models Sn3 6200 series Flat Car Kit FREE SHIPPING