We ordered this in white in the queen size. Although it took some concentration, it wasn’t that hard to put together. It took my husband and I 1.5 hours to do. We have an Allen key bit for our drill so we used that to screw the bolts in most of the way and then hand tightened. Read the instructions carefully and study the diagram. Make sure your side rails are facing the right way the notch should be facing down. 
The bed is very sturdy and our daughter loves it.