We ordered 2 of these bunks. My 15yr old daughter and I were able to assemble the 1st bunk in about 2 hours. The directions were straight forward. All of the pieces were easily found. The hardware and Allen wrench had spares  so two people could easily work together. The only extra tool we needed was a plus screw driver! On the second bunk it only took about 1 12hrs since we knew what we were tackling.