Beautiful thick solid marble top (very heavy) and the leg sides are already assembled. You just attach each post to the table and then the support beams. I did it alone so I had the table top leaned against wall post and attached the legs and supports (see pic). I needed help to get the table off of it's side and upright. Assembly was very simple and took no more than 20 minutes. Also, all of the bolts and nuts came ready to go and grouped together. I did not use the chairs that came with the table because I wanted a bit more of a formal look. I