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 trains'.

Idaho Hotel S Scale Building Kit by Bar Mills Scale Model Works NIB Sn3
Idaho Hotel S Scale Building Kit by Bar Mills Scale Model Works NIB Sn3
$107.50 (12 Bids)
Time Remaining: 3d 3h 4m
Campbell Models 398 Doctors Office HO kit
Campbell Models 398 Doctors Office HO kit
$36.00
Time Remaining: 3d 6h 46m
Buy It Now for only: $36.00
Seven 7 New in Box Building kits by FinestKind Models NIB S Scale Sn3
Seven 7 New in Box Building kits by FinestKind Models NIB S Scale Sn3
$305.00 (8 Bids)
Time Remaining: 4d 6h 4m
O On3 On30 1 48 WISEMAN MODEL SERVICES FORDSON MAC SKAGIT TUGGER HOIST KIT
O On3 On30 1 48 WISEMAN MODEL SERVICES FORDSON MAC SKAGIT TUGGER HOIST KIT
$89.95
Time Remaining: 5d 8h 58m
Buy It Now for only: $89.95
On30 1920s MODERN STYLE BACHMANN SHAY CONVERSION KIT WISEMAN MODEL SERVICES
On30 1920s MODERN STYLE BACHMANN SHAY CONVERSION KIT WISEMAN MODEL SERVICES
$119.95
Time Remaining: 6d 21h 59m
Buy It Now for only: $119.95
O SCALE On3 On30 BANTA MODEL WORKS 6145 Doc Holidays Apothecary
O SCALE On3 On30 BANTA MODEL WORKS 6145 Doc Holidays Apothecary
$94.00
Time Remaining: 8d 26m
Buy It Now for only: $94.00
Double Track Attachment Set for Automatic Crossing Gate S Model Train
Double Track Attachment Set for Automatic Crossing Gate S Model Train
$70.05
Time Remaining: 9d 12h 26m
Buy It Now for only: $70.05
Unitrack Automatic Crossing Gate S Basic Set Model Train by Kato
Unitrack Automatic Crossing Gate S Basic Set Model Train by Kato
$186.19
Time Remaining: 9d 12h 26m
Buy It Now for only: $186.19
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: 11d 2h 40m
Buy It Now for only: $294.95
S Sn3 WISEMAN MODEL SERVICES WILLAMETTE 2 OR 3 DRUM DONKEY ENGINE KIT
S Sn3 WISEMAN MODEL SERVICES WILLAMETTE 2 OR 3 DRUM DONKEY ENGINE KIT
$99.95
Time Remaining: 12d 3h 1m
Buy It Now for only: $99.95
O On30 On2 On3 Scale BANTA MODELWORKS 6090 Chillerys Cafe model kit
O On30 On2 On3 Scale BANTA MODELWORKS 6090 Chillerys Cafe model kit
$120.00
Time Remaining: 12d 5h 49m
Buy It Now for only: $120.00
O SCALE On3 On30 On2 BANTA MODEL WORKS 6150 Chillerys Cafe FRONT ONLY
O SCALE On3 On30 On2 BANTA MODEL WORKS 6150 Chillerys Cafe FRONT ONLY
$54.00
Time Remaining: 13d 11m
Buy It Now for only: $54.00
Rare railway model HO gauge KATSUMI Moha 484 Kuha 481 form rail F S
Rare railway model HO gauge KATSUMI Moha 484 Kuha 481 form rail F S
$600.00
Time Remaining: 13d 5h 12m
Buy It Now for only: $600.00
F G scale BANTA MODEL WORKS 8122 Sonnys Used Cars
F G scale BANTA MODEL WORKS 8122 Sonnys Used Cars
$95.00
Time Remaining: 20d 10h 58m
Buy It Now for only: $95.00
On3 On30 WISEMAN RIO GRANDE SOUTHERN MODEL T FORD INSPECTION CAR 1 KIT SSLTD
On3 On30 WISEMAN RIO GRANDE SOUTHERN MODEL T FORD INSPECTION CAR 1 KIT SSLTD
$49.95
Time Remaining: 25d 55m
Buy It Now for only: $49.95
S SCALE Sn3 WISEMAN MODEL SERVICES AHD 2 SPOOL LOGGING DONKEY ENGINE WINCH KIT
S SCALE Sn3 WISEMAN MODEL SERVICES AHD 2 SPOOL LOGGING DONKEY ENGINE WINCH KIT
$54.95
Time Remaining: 25d 20h 45m
Buy It Now for only: $54.95
Crck Hollow Hardware 4127 S scale Sn3 BANTA MODEL WORKS
Crck Hollow Hardware 4127 S scale Sn3 BANTA MODEL WORKS
$125.00
Time Remaining: 28d 8h 5m
Buy It Now for only: $125.00
O On3 On30 1 48 WISEMAN MODELS OKT 34 1920S FRUEHAUF SEMI VAN TRAILER KIT
O On3 On30 1 48 WISEMAN MODELS OKT 34 1920S FRUEHAUF SEMI VAN TRAILER KIT
$39.95
Time Remaining: 28d 11h 38m
Buy It Now for only: $39.95
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: 29d 10h 1m
Buy It Now for only: $179.95

Other On30 Scale train items recently purchased through this site:

Seven 7 New in Box Building kits by FinestKind Models NIB S Scale Sn3
Campbell Models 398 Doctors Office HO kit
Idaho Hotel S Scale Building Kit by Bar Mills Scale Model Works NIB Sn3
On30 1920s MODERN STYLE BACHMANN SHAY CONVERSION KIT WISEMAN MODEL SERVICES
O On3 On30 1 48 WISEMAN MODELS OKT 34 1920S FRUEHAUF SEMI VAN TRAILER KIT
S SCALE Sn3 WISEMAN MODEL SERVICES AHD 2 SPOOL LOGGING DONKEY ENGINE WINCH KIT
On3 On30 WISEMAN RIO GRANDE SOUTHERN MODEL T FORD INSPECTION CAR 1 KIT SSLTD
Crck Hollow Hardware 4127 S scale Sn3 BANTA MODEL WORKS
S Sn3 WISEMAN MODEL SERVICES WILLAMETTE 2 OR 3 DRUM DONKEY ENGINE KIT
O On3 On30 1 48 WISEMAN MODEL SERVICES FORDSON MAC SKAGIT TUGGER HOIST KIT
F G scale BANTA MODEL WORKS 8122 Sonnys Used Cars
O SCALE On3 On30 BANTA MODEL WORKS 6145 Doc Holidays Apothecary
86 HOWE TRUSS DECK BRIDGE S On30 Model Railroad Structure Craftsman Kit HL109S
170 HOWE TRUSS DECK BRIDGE S On30 Model Railroad Structure Unpainted Kit HL110S
O SCALE On3 On30 On2 BANTA MODEL WORKS 6150 Chillerys Cafe FRONT ONLY
O On30 On2 On3 Scale BANTA MODELWORKS 6090 Chillerys Cafe model kit
Rare railway model HO gauge KATSUMI Moha 484 Kuha 481 form rail F S
Unitrack Automatic Crossing Gate S Basic Set Model Train by Kato
Double Track Attachment Set for Automatic Crossing Gate S Model Train