Good Evening Weezer, It looks like you stacked all your butt-jointed pieces, with plastic in between, so the two sides are identical mirror images, Which is a good thing, and a smart way to do it.
As you get going on this, take it slow and think things through before you mix any glue. Dry fit, and test fit everything. Check and double check. It is so much easier to fix something if you notice it before the glue dries.
I have a habit of making pencil notes to myself on my parts, like “in, out, front, rear, left, right”, It helps me quickly reorient things back into th