There is a lot of manufactured wood in this, but it appears solid once put together.  It's relatively easy to put together, but does take some time with all the screws.  One thing of note is that the top level middle section appears to be the same finish as the two sides, and it can be put in with either side facing up.  Once side when viewed at an angle has a different sheen, though the same pattern.  So before finishing the top, take a look at it from an angle to be sure.