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

ENHANCED Spectrum On30 CS set
ENHANCED Spectrum On30 CS set
$449.00
Time Remaining: 13d 14h 5m
Buy It Now for only: $449.00

Other On30 Scale train items recently purchased through this site:

ENHANCED Spectrum On30 CS set