This bunkbeds is nice looking and sturdy.  I put it together in about 3 1/2 hours with minimal help from my husband.  He used a power drill to attach the slats. 
The instructions are pictorial, so you have to match up the pieces with the picture and follow the diagrams. 

4 star rating is due to the lack of covers for all the screws, and because several of the holes were not drilled perfectly.