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, Ho 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 !!