Really nice, sturdy bunk beds.  Drawer units came assembled and have very smooth slides and are well adjusted.  As to assembly, it took me about 5 hours alone with my cordless screwdriver.  I'm relatively tall so was able to assemble/build the upper bunk myself piece by piece onto the already assembled lower bunk.  However, the directions call for the upper bunk assembly on the floor and then a two person lift onto the lower bunk which probably would have been easier if I had another person handy.  Only 4 stars as a couple of the fence pieces didn't fit quite perfectly and a glue joint popped out when screwing together.