Field assembly isn't too bad. There's no servos in the top wing so they slide onto wing tubes. The bottom wings you connect the servos and slide them in place. 4 screws, one per wing hold them in place.
Then 4 clevis pins on each side with cotter pin retainers and a screw on the upper end of the aileron to aileron pushrod (we replaced the screw with a clevis pin and cotter pin)
Gas and fly.