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

ENHANCED Spectrum On30 CS set
ENHANCED Spectrum On30 CS set
$449.00
Time Remaining: 15d 10m
Buy It Now for only: $449.00

Other On30 Scale train items recently purchased through this site:

ENHANCED Spectrum On30 CS set