Relatively easy to build — there are a couple pieces that are easy to reverse and you don’t find out until later, so fixing those cane be a pain. Attaching the extendable legs is a little challenging — you need a long screwdriver and even then the angle is a little awkward, and while the rest of the coffee table is easy to build solo, it’s very difficult to attach these without another person. It doesn’t fit together perfectly — there’s a very slight overlap between the two pieces of the top, so closing it isn’t seamless. Otherwise it’s nice!