Wilke Enginuity, located in Hanover, Pa., has produced a video to demonstrate the quality, safety and workmanship of their custom made barrel trains. <a href="http://www.youtube.com/watch?v=n0c7-wtHYDA">http://www.youtube.com/watch?v=n0c7-wtHYDA</a>. These Barrel trains are made of recyclable plastic barrels and tubular frames making them environmentally friendly and durable. Trains can be pulled by a tractor, lawn mower or golf cart. They are built with safety in mind and are state approved. ...