Took a friend and I about 7hrs to fully assemble all parts. The assembly instructions are clear, but the design of the assembly is not so good. There's lots of different size screws, some drilling involved, and nothing is pre-assembled.
The wood quality is average. The wood was treated prior to shipment. But will need yearly maintenance.
The playset itself is great. Lots of diversity. Very good for kids under 8yo I think.