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
$125.00
Time Remaining: 2h 37m
HO HO HO HOLIDAY GONDOLA CAR HAWTHORNE RUDOLPHS CHRISTMAS TOWN EXPRESS NIB
HO HO HO HOLIDAY GONDOLA CAR HAWTHORNE RUDOLPHS CHRISTMAS TOWN EXPRESS NIB
$74.99
Time Remaining: 19d 6h 38m
Buy It Now for only: $74.99
ELF PASSENGER CAR HAWTHORNE RUDOLPH CHRISTMAS TOWN EXPRESS NIB
ELF PASSENGER CAR HAWTHORNE RUDOLPH CHRISTMAS TOWN EXPRESS NIB
$84.99
Time Remaining: 19d 6h 38m
Buy It Now for only: $84.99
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: 27d 9h 31m
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: 27d 9h 31m
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: 27d 9h 31m
Buy It Now for only: $190.54

Other On30 Scale train items recently purchased through this site:

HO HO HO HOLIDAY GONDOLA CAR HAWTHORNE RUDOLPHS CHRISTMAS TOWN EXPRESS NIB
NEW Hawthorne Village ON30 Scale 2 6 0 Loco Tender Christmas Express Bundle
ELF PASSENGER CAR HAWTHORNE RUDOLPH CHRISTMAS TOWN EXPRESS NIB
Bachmann On30 Scale Train Set Analog Norman RockwellS American Christmas 25023
Bachmann On30 Scale Train Set Battery Operated Norman Rockwell Christmas 25100
Bachmann On30 Scale Train Steam Locomotive 2 6 0 Analog Christmas 25227