Hats off to the person who put this together in two hours. I bought 4 units and they took the best part of two days to assemble. I agree with the reviewer who suggested using glue during assembly- to make a really sturdy unit it needs glue because some of the dowels are loose and the screws have very little penetration. The main problem was caused by driving screws into very dry brittle wood without a pilot hole. I had several splits which then had to be glued and cramped to mend. Also the frames are really tricky to assemble without damage. The instructions say that the warranty is volume d if a power tool is used to assemble, but I think an electric driver is essential. I am going to give the product a good score overall because the price is really low for the finished result, but they are a bit of a struggle to make and I am quite an experienced woodworker.