Fast endless Bi-directional spiral with an ho scale train Powered by what appears to be seven HO-scale locomotives, Risner’s creation also works in reverse. Facebook Prev Article Next Article Machinery Checkout these cool gadgets... Related Posts 120 Year Old Fully Functioning Calculator Tungsten Carbide Friction Drills This Machine Eats Trees From The Top Down First look at a new wave pool in Australia What Is The Best Security Bike Lock? Machine prints metal midair
