caption: Find It Locally http://www.mthtrains.com/30-20251-1 Now arriving MTH RailKing O Gauge Great Northern E6 AA Set item 30-20251-1. This Great Northern E6 Set operates on O-31 Curves and have a MSRP of $369.95. Ask your MTH Dealer about a RailKing Diesel Today. Use the link above to Find It Locally at a MTH Dealer.