Allow one hour per stool with two people. You will need to force the thing into shape while the other screws it together. You want to get it right the first time, since the screws are cheap and strip easily. Each of the four we assembled was a totally different experience, as there's no uniformity to how the guide holes are drilled. We are experienced at this sort of thing (each of us has assembled couches singlehandedly), and this was the most frustrating build we've done! These stools really do look nice, but honestly—overall, for the price, the juice is just not worth the squeeze. A little quality control would go a long way.