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

Model railroad 1203 scale Narrow gauge LS Caboose DRGW detailed interior
Model railroad 1203 scale Narrow gauge LS Caboose DRGW detailed interior
$200.00
Time Remaining: 2d 16h 3m
Buy It Now for only: $260.00
HO HOn3 SIERRAWEST SCALE MODELS 204 RAILROAD CAMP CRAFTSMAN STRUCTURE KIT
HO HOn3 SIERRAWEST SCALE MODELS 204 RAILROAD CAMP CRAFTSMAN STRUCTURE KIT
$249.95
Time Remaining: 3d 15h 56m
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
$39.71
Time Remaining: 9d 13h 7m
Buy It Now for only: $39.71
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
$37.50
Time Remaining: 9d 13h 8m
Buy It Now for only: $37.50
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: 9d 16h 13m
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
$100.00
Time Remaining: 13d 14h 45m
Buy It Now for only: $100.00
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: 17d 3h 46m
Buy It Now for only: $120.00
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: 19d 19h 34m
Buy It Now for only: $26.95
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: 21d 8h 53m
Buy It Now for only: $294.95
DRGW Locomotives 15mm F 1203 Model Railroad Water Slide Decal Set SJD254
DRGW Locomotives 15mm F 1203 Model Railroad Water Slide Decal Set SJD254
$32.42
Time Remaining: 22d 15h 34m
Buy It Now for only: $32.42
RGS Sunrise Locomotive 15mm F 1203 Model Railroad Water Slide Decal Set SJD255
RGS Sunrise Locomotive 15mm F 1203 Model Railroad Water Slide Decal Set SJD255
$33.54
Time Remaining: 22d 15h 36m
Buy It Now for only: $33.54
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: 27d 15h 51m
Buy It Now for only: $29.95

Other On30 Scale train items recently purchased through this site:

HO HOn3 SIERRAWEST SCALE MODELS 204 RAILROAD CAMP CRAFTSMAN STRUCTURE KIT
Model railroad 1203 scale Narrow gauge LS Caboose DRGW detailed interior
DRGW Locomotives 15mm F 1203 Model Railroad Water Slide Decal Set SJD254
RGS Sunrise Locomotive 15mm F 1203 Model Railroad Water Slide Decal Set SJD255
On30 Model Railroad Hotel Built Finished Lighted Narrow Gauge Model Railroad Bld
170 HOWE TRUSS DECK BRIDGE S On30 Model Railroad Structure Unpainted Kit HL110S
16 LOG BRONC O On30 Model Railroad Waterline Hull Unpainted Cast Resin Kit FR65
O On30 24 WATERLINE LOGS Model Railroad Scenery Unpainted Resin Details FR1665
86 HOWE TRUSS DECK BRIDGE S On30 Model Railroad Structure Craftsman Kit HL109S
On30 Model Railroad Building Built Painted On30 Narrow Gauge Blacksmith Shop
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