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

NEW Hawthorne Village ON30 Scale 2 6 0 Loco  Tender Christmas Express Bundle
NEW Hawthorne Village ON30 Scale 2 6 0 Loco Tender Christmas Express Bundle
$99.99
Time Remaining: 14h 7m
Bachmann ON30 Christmas Closed Christmas Streetcar
Bachmann ON30 Christmas Closed Christmas Streetcar
$41.00 (7 Bids)
Time Remaining: 2d 4h 1m
On30 layout complete with scenery Christmas Village many buildings lighted 
On30 layout complete with scenery Christmas Village many buildings lighted 
$349.00
Time Remaining: 6d 21h 33m
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
$30.75
Time Remaining: 10d 22h 11m
Buy It Now for only: $30.75
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
$30.75
Time Remaining: 10d 22h 13m
Buy It Now for only: $30.75
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
$30.75
Time Remaining: 10d 22h 15m
Buy It Now for only: $30.75
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
$32.75
Time Remaining: 10d 22h 17m
Buy It Now for only: $32.75
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
$30.75
Time Remaining: 10d 22h 18m
Buy It Now for only: $30.75
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
$30.75
Time Remaining: 10d 22h 30m
Buy It Now for only: $30.75
bachmann hawthorne village THOMAS KINKADES CHRISTMAS EXPRESS car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS EXPRESS car On3O scale
$30.75
Time Remaining: 10d 22h 32m
Buy It Now for only: $30.75
bachmann hawthorne village THOMAS KINKADES CHRISTMAS EXPRESS car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS EXPRESS car On3O scale
$30.75
Time Remaining: 10d 22h 33m
Buy It Now for only: $30.75
bachmann hawthorne village THOMAS KINKADES CHRISTMAS EXPRESS car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS EXPRESS car On3O scale
$30.75
Time Remaining: 10d 22h 35m
Buy It Now for only: $30.75
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
$276.45
Time Remaining: 17d 19h 52m
Buy It Now for only: $276.45
Bachmann On30 Scale Train Steam Locomotive 2 6 0 Analog Christmas 25227
Bachmann On30 Scale Train Steam Locomotive 2 6 0 Analog Christmas 25227
$149.76
Time Remaining: 17d 19h 52m
Buy It Now for only: $149.76
Bachmann On30 Scale Train Set Battery Operated Norman Rockwell Christmas 25100
Bachmann On30 Scale Train Set Battery Operated Norman Rockwell Christmas 25100
$190.54
Time Remaining: 17d 19h 52m
Buy It Now for only: $190.54
ELF PASSENGER CAR HAWTHORNE RUDOLPH CHRISTMAS TOWN EXPRESS NIB
ELF PASSENGER CAR HAWTHORNE RUDOLPH CHRISTMAS TOWN EXPRESS NIB
$65.00
Time Remaining: 30d 16h 53m
Buy It Now for only: $65.00
MISFIT PASSENGER CAR HAWTHORNE RUDOLPH CHRISTMAS TOWN EXPRESS NIB
MISFIT PASSENGER CAR HAWTHORNE RUDOLPH CHRISTMAS TOWN EXPRESS NIB
$65.00
Time Remaining: 30d 17h 2m
Buy It Now for only: $65.00

Other On30 Scale train items recently purchased through this site:

Bachmann ON30 Christmas Closed Christmas Streetcar
On30 layout complete with scenery Christmas Village many buildings lighted 
MISFIT PASSENGER CAR HAWTHORNE RUDOLPH CHRISTMAS TOWN EXPRESS NIB
ELF PASSENGER CAR HAWTHORNE RUDOLPH CHRISTMAS TOWN EXPRESS NIB
NEW Hawthorne Village ON30 Scale 2 6 0 Loco Tender Christmas Express Bundle
bachmann hawthorne village THOMAS KINKADES CHRISTMAS EXPRESS car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS EXPRESS car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS EXPRESS car On3O scale
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
Bachmann On30 Scale Train Steam Locomotive 2 6 0 Analog Christmas 2
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
bachmann hawthorne village THOMAS KINKADES CHRISTMAS passenger car On3O scale
Bachmann On30 Scale Train Set Battery Operated Norman Rockwell Christmas 25100