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

SUPERB BRIEFCASE MODEL RAILWAY LAYOUT AND TRAIN BY MOUNTAIN LAKE MODELS RAILWAYS
SUPERB BRIEFCASE MODEL RAILWAY LAYOUT AND TRAIN BY MOUNTAIN LAKE MODELS RAILWAYS
$1,740.61
Time Remaining: 4d 8h 56m
Buy It Now for only: $1,740.61
Dundas Models DM56 Festiniog Railway Granite End Door Wagon Pack of 5 T48
Dundas Models DM56 Festiniog Railway Granite End Door Wagon Pack of 5 T48
$37.95
Time Remaining: 6d 20h 11m
Buy It Now for only: $37.95
Dundas Models DM25 Festiniog Railway 2 Ton Steel Sided Slate Wagon 5 Pack T48
Dundas Models DM25 Festiniog Railway 2 Ton Steel Sided Slate Wagon 5 Pack T48
$35.84
Time Remaining: 6d 20h 11m
Buy It Now for only: $35.84
86 HOWE TRUSS DECK BRIDGE S On30 Model Railroad Structure Craftsman Kit HL109S
86 HOWE TRUSS DECK BRIDGE S On30 Model Railroad Structure Craftsman Kit HL109S
$179.95
Time Remaining: 6d 23h 19m
Buy It Now for only: $179.95
On30 Model Railroad Building Built  Painted On30 Narrow Gauge Blacksmith Shop
On30 Model Railroad Building Built Painted On30 Narrow Gauge Blacksmith Shop
$94.00
Time Remaining: 10d 12h 54m
Buy It Now for only: $94.00
On30 Model Railroad Hotel Built Finished Lighted Narrow Gauge Model Railroad Bld
On30 Model Railroad Hotel Built Finished Lighted Narrow Gauge Model Railroad Bld
$120.00
Time Remaining: 10d 12h 54m
Buy It Now for only: $120.00
On30 Stone Model Railroad Building BUILT Millwork Included Narrow Gauge Railroa
On30 Stone Model Railroad Building BUILT Millwork Included Narrow Gauge Railroa
$60.00
Time Remaining: 10d 12h 55m
Buy It Now for only: $60.00
O Scale On30 Scale Model Railroad Depot Narrow Gauge Backwoods Passenger Freight
O Scale On30 Scale Model Railroad Depot Narrow Gauge Backwoods Passenger Freight
$128.00
Time Remaining: 10d 13h 15m
Buy It Now for only: $128.00
O On30 24 WATERLINE LOGS Model Railroad Scenery Unpainted Resin Details FR1665
O On30 24 WATERLINE LOGS Model Railroad Scenery Unpainted Resin Details FR1665
$26.95
Time Remaining: 17d 2h 43m
Buy It Now for only: $26.95
16 LOG BRONC O On30 Model Railroad Waterline Hull Unpainted Cast Resin Kit FR65
16 LOG BRONC O On30 Model Railroad Waterline Hull Unpainted Cast Resin Kit FR65
$29.95
Time Remaining: 18d 15h 50m
Buy It Now for only: $29.95
170 HOWE TRUSS DECK BRIDGE S On30 Model Railroad Structure Unpainted Kit HL110S
170 HOWE TRUSS DECK BRIDGE S On30 Model Railroad Structure Unpainted Kit HL110S
$294.95
Time Remaining: 18d 15h 58m
Buy It Now for only: $294.95
Sn3 Hex Roof S 11 RGS DRGW Water Tank VT Shops Railroad Modeling Kit
Sn3 Hex Roof S 11 RGS DRGW Water Tank VT Shops Railroad Modeling Kit
$65.00
Time Remaining: 29d 21h 23m
Buy It Now for only: $65.00

Other On30 Scale train items recently purchased through this site:

Sn3 Hex Roof S 11 RGS DRGW Water Tank VT Shops Railroad Modeling Kit
170 HOWE TRUSS DECK BRIDGE S On30 Model Railroad Structure Unpainted Kit HL110S
O On30 24 WATERLINE LOGS Model Railroad Scenery Unpainted Resin Details FR1665
On30 Model Railroad Building Built Painted On30 Narrow Gauge Blacksmith Shop
On30 Model Railroad Hotel Built Finished Lighted Narrow Gauge Model Railroad Bld
16 LOG BRONC O On30 Model Railroad Waterline Hull Unpainted Cast Resin Kit FR65
O Scale On30 Scale Model Railroad Depot Narrow Gauge Backwoods Passenger Freight
On30 Stone Model Railroad Building BUILT Millwork Included Narrow Gauge Railroa
86 HOWE TRUSS DECK BRIDGE S On30 Model Railroad Structure Craftsman Kit HL109S
Dundas Models DM25 Festiniog Railway 2 Ton Steel Sided Slate Wagon 5 Pack T48
Dundas Models DM56 Festiniog Railway Granite End Door Wagon Pack of 5 T48
SUPERB BRIEFCASE MODEL RAILWAY LAYOUT AND TRAIN BY MOUNTAIN LAKE MODELS RAILWAYS