Love my new shoe organizer! I did replace the black knobs that were sent with larger, purchased silver knobs. You may be able to put this together in an hour, if you are an experienced furniture maker, but it took me about 2 hours to do it.  Also, I needed a second person to help with a couple of steps in this process by just holding a board or two.  Hardest part for me was that I was building it in place and it required me to get down on the floor - might be hard for an older person who can't move well. There is also one component part (B) that requires you to put it in a certain way and then turn it with a screwdriver to the right (directions don't tell you to do this and this is what "locks" it in place for sturdiness). Hardest part is making sure those "A" components are screwed in straight and not at the slightest angle so the "B" component fits in easily.  Quite a nifty shoe system!