Pretty good for what it is.  Pilot holes and material could be marked better. The roof is concave and not water tight so Im wondering if it will collect water and how much it will leak to the inside.  I would like to put plants on top of the roof but Im kinda afraid it will crack open.  The only support for the roof is on the outside edges.
The wood and wire is acceptable quality, once it is all put together it is not going to blow away.