Delivery was on the day quoted.
The parts are all labelled, the fasteners are identified, and the instructions are step by step, indicating which part goes next and which fastener to use. The two tools required are included, but a step ladder is required to install the top perch.
A bonus is that the posts are all wound with rope to make sturdy scratching posts. The final assembled product is stable and appears very sturdy.
My cat (a muscular 15 pounds) was cautious at first, but didn't take long to drag the ball hanging from the top perch onto that perch.