For the DIY KIT version, we will provide assembled manaul, but still needs you have welding ability and electronic knowledge to solder, or else we recommend assembled version. Douk Audio Studio is not responsible for man-made damage or unsuccessful assembly, please note this before placing a order. There is DC 170V high voltage when power Nixie tube clock on, don't touch the bare wiring part, and please mount the glass case before powering it on or doing tests.