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 railroad'.

RS O On3 On30 SEQUOIA SCALE MODELS BRANCHLINE SAND HOUSE AND BUCKET CRANE KIT
RS O On3 On30 SEQUOIA SCALE MODELS BRANCHLINE SAND HOUSE AND BUCKET CRANE KIT
$32.00 (3 Bids)
Time Remaining: 7h 30m
O SCALE On3 On30 BANTA MODEL WORKS 6153 Oakboro Hay  Grain
O SCALE On3 On30 BANTA MODEL WORKS 6153 Oakboro Hay Grain
$132.00
Time Remaining: 7h 41m
Buy It Now for only: $132.00
Suncoast Models 004 148 O Scale Logging Camp Craftsman Kit On3On30
Suncoast Models 004 148 O Scale Logging Camp Craftsman Kit On3On30
$56.00 (8 Bids)
Time Remaining: 7h 50m
CHB Models VB 630 148 O Scale Vertical Boiler Kit On3On30 LoggingMachinery
CHB Models VB 630 148 O Scale Vertical Boiler Kit On3On30 LoggingMachinery
$54.95
Time Remaining: 7h 50m
KMP Models O Scale Steam Powered Sawmill w Planer LumberLogging Interior MIB
KMP Models O Scale Steam Powered Sawmill w Planer LumberLogging Interior MIB
$129.95
Time Remaining: 8h
RS O On3 On30 COLORADO SCALE MODELS 475 LEAVERITE MINE CRAFTSMAN KIT
RS O On3 On30 COLORADO SCALE MODELS 475 LEAVERITE MINE CRAFTSMAN KIT
$93.47 (5 Bids)
Time Remaining: 9h 17m
ULRICH COLLECTION O SCALE 1 48 On3 MODEL T FORD OIL TANKER ALL METAL
ULRICH COLLECTION O SCALE 1 48 On3 MODEL T FORD OIL TANKER ALL METAL
$49.99
Time Remaining: 23h
Buy It Now for only: $49.99
Logging Camp Cook House Kit Scale Model Masterpieces Yorke Fine HOn3 NEW
Logging Camp Cook House Kit Scale Model Masterpieces Yorke Fine HOn3 NEW
$51.65
Time Remaining: 23h 19m
Buy It Now for only: $51.65
Wiseman Model V 16 148 O Scale AHD Small Donkey Engine Kit On3On30 2 Spool
Wiseman Model V 16 148 O Scale AHD Small Donkey Engine Kit On3On30 2 Spool
$54.95
Time Remaining: 1d 7h 50m
O On3 On30 1 48 SCALE WISEMAN MODEL SERVICES JI CASE STEAM TRACTION ENGINE KIT
O On3 On30 1 48 SCALE WISEMAN MODEL SERVICES JI CASE STEAM TRACTION ENGINE KIT
$149.95
Time Remaining: 1d 22h 46m
Buy It Now for only: $149.95
ULRICH COLLECTION O SCALE 1 48 On3 MODEL T FORD BUS ALL METAL
ULRICH COLLECTION O SCALE 1 48 On3 MODEL T FORD BUS ALL METAL
$39.99
Time Remaining: 2d 4h 38m
Buy It Now for only: $39.99
O SCALE On3 On30 BANTA MODEL WORKS 6131 BO Hotel
O SCALE On3 On30 BANTA MODEL WORKS 6131 BO Hotel
$94.00
Time Remaining: 3d 40m
Buy It Now for only: $94.00
O SCALE On3 On30 BANTA MODEL WORKS bmw 149 O The Stock Pens
O SCALE On3 On30 BANTA MODEL WORKS bmw 149 O The Stock Pens
$138.00
Time Remaining: 3d 3h 40m
Buy It Now for only: $138.00
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: 4d 39m
Buy It Now for only: $89.95
O SCALE On3 On30 BANTA MODEL WORKS 6000 Joes Machine Shop
O SCALE On3 On30 BANTA MODEL WORKS 6000 Joes Machine Shop
$54.00
Time Remaining: 4d 5h 4m
Buy It Now for only: $54.00
O SCALE On3 On30 BANTA MODEL WORKS 724 Farmers Table Saw
O SCALE On3 On30 BANTA MODEL WORKS 724 Farmers Table Saw
$26.00
Time Remaining: 4d 5h 4m
Buy It Now for only: $26.00
Logging Camp Portable Bunk House Kits Thomas Yorke Scale Model Masterpieces HOn3
Logging Camp Portable Bunk House Kits Thomas Yorke Scale Model Masterpieces HOn3
$42.25
Time Remaining: 4d 5h 27m
Buy It Now for only: $42.25
Morgan Hill Models MHM On30 O Scale Stone Water Tank w Shed Kit
Morgan Hill Models MHM On30 O Scale Stone Water Tank w Shed Kit
$84.95
Time Remaining: 4d 7h 50m
KMP Models O On30 Scale Craftsman Logging Kit Spar Tree Model Trains New
KMP Models O On30 Scale Craftsman Logging Kit Spar Tree Model Trains New
$56.95
Time Remaining: 4d 19h 55m
Buy It Now for only: $56.95
KMP Models O On30 Scale Craftsman Logging Kit Steam Sawmill with Planer New
KMP Models O On30 Scale Craftsman Logging Kit Steam Sawmill with Planer New
$179.00
Time Remaining: 4d 19h 55m
Buy It Now for only: $179.00
West side  Pacific Traction Pacific Fast Mail Balboa Scale Models Fomras
West side Pacific Traction Pacific Fast Mail Balboa Scale Models Fomras
$500.00
Time Remaining: 5d 4h 22m
Buy It Now for only: $700.00

Other On30 Scale train items recently purchased through this site:

Suncoast Models 004 148 O Scale Logging Camp Craftsman Kit On3On30
O SCALE WISEMAN MODEL SERVICES GRAND CENTRAL GOLD MINE INTERIOR KIT On3 On30
F G scale BANTA MODEL WORKS 8111 Roubies Saloon
F G scale BANTA MODEL WORKS 8131 BO Hotel
O On3 On30 1 48 SCALE WISEMAN MODEL SERVICES JI CASE STEAM TRACTION ENGINE KIT
Western Scale Models M 51 The Rowe Inclined Shaft Headframe Hoist House Kit
F G scale BANTA MODEL WORKS 8122 Sonnys Used Cars
G scale BANTA MODEL WORKS 8065 Crossing Shanty
RS O On3 On30 COLORADO SCALE MODELS 475 LEAVERITE MINE CRAFTSMAN KIT
F G scale BANTA MODEL WORKS 8108 Donkey Corners Depot
ULRICH COLLECTION O SCALE 1 48 On3 MODEL T FORD BUS ALL METAL
Western Scale Models M16 Blacksmith Shop SEALED Kit O On3 0n30 1 4 Scale
ULRICH COLLECTION O SCALE 1 48 On3 MODEL T FORD OPERATING DUMP ALL METAL
Logging Camp Cook Bunk House Set Thomas Yorke Scale Model Masterpieces On3 NEW
O SCALE 1 48 On3 On30 WISEMAN MODEL SERVICES AMB 502 BATES BULLDOZER KIT
F G scale BANTA MODEL WORKS 8144 Lineside Tool Shed
S SCALE Sn3 WISEMAN MODEL SERVICES AHD 2 SPOOL LOGGING DONKEY ENGINE WINCH KIT
KMP Models O On30 Scale Craftsman Logging Kit Steam Sawmill with Planer New
Logging Camp Cook House Kit Scale Model Masterpieces Yorke Fine HOn3 NEW
ULRICH COLLECTION O SCALE 1 48 On3 MODEL T FORD OIL TANKER ALL METAL
Wiseman Model V 16 148 O Scale AHD Small Donkey Engine Kit On3On30 2 Spool
O SCALE 1 48 WISEMAN 1914 MODEL T FORD FIRE TRUCK KIT NM 906 NATIONAL MOTOR CO
RS O On3 On30 SEQUOIA SCALE MODELS BRANCHLINE SAND HOUSE AND BUCKET CRANE KIT
O SCALE On3 On30 WISEMAN MODEL SERVICES WESTMINSTER KEROSENE LOCOMOTIVE KIT
KMP Models O Scale Steam Powered Sawmill w Planer LumberLogging Interior MIB