100% Complete and in great condition for the age of the kit. The kit contains all the parts, including keyboard, case, printed circuit board, resistors, capacitors, connectors, integrated circuits, power supply, cables etc. Collect a piece of history.The item "Sinclair ZX81 Computer Kit & Power Supply (unbuilt)" is in sale since Saturday, July 13, 2019. This item is in the category "Computers/Tablets & Networking\Vintage Computing\Vintage Manuals & Merchandise". The seller is "tt_fd" and is located in Toronto, Ontario. This item can be shipped worldwide.