I was nervous when I saw all the pieces, but the instructions were clear, the pieces numbered, the holes all lined up, and there weren't too many steps. I put it together in just over an hour, and I'm no genius. It is very sturdy. The fabric bottom attaches with double sided velcro tape. I fit loads of my kid's toys underneath, and it's comfortable for me to sit (I'm 6'). Some fairy lights and it's a perfect play area that hides the mess. The slide worked best on the opposite side of the bed than pictured, but it can go either side with no issue.