The Playpen took us 3 1/2 hers to assemble. It was relatively simple but we did have to take off and re join a plastic joint as it wouldn't slot together. Also the door latch was broken and one was completely missing. Additionally some off the panels were damaged with bits of wood splintered off. Despite these things (which were easy to fix) we were very happy with the end result. It's a nice place for our rescue older Himmi to go for a bit of fresh air. I would recommend tis product.