Williams Pennsylvania O Gauge 4-car passenger car set. Aluminum construction, lighted, and more. The item "Williams Pennsylvania O Gauge 4-Car Passenger Car Set" is in sale since Thursday, August 29, 2019. This item is in the category "Toys & Hobbies\Model Railroads & Trains\O Scale\Passenger Cars". The seller is "railroadg" and is located in Mechanicsburg, Pennsylvania.This item can be shipped worldwide.