Animate your layout with a detailed standing welder with his arc welder flashing realistically!! Lit with 0402 blue and white LEDs, the smallest lights in the world, but with unbelievable brightness. Powered with a pic chip circuit board programmed to pause and flash just like the real thing, Check out the size of the simulator, smaller than a dime, you can hide it easily . It will be a great addition to your layout. All the soldering is done and mini plugs make installing it through your scenery a snap. All you need is good clean DC 9-18 volts for operation. A great gift for anyone in any scale(N, O also available) eBay's extended no hassle returns too. We have simulators for nearly anything, or we can program one for you. Message us for details. Thanks for looking !!