Use M3x20 bolts for the wheels.
You can add the logos with a marker.
For connecting the midle pink fuselages use a bamboo skewer.
You can make the fuselage hollow.
Note that the engines are slightly asymetrical.
You need suppoort for the wings.
edit:
Sorry, i forgot to add 2 files: Hstab.stl and engine.stl
The author remixed this model.
Wizz Air Airbus A320
Vstab sliced into 2 parts
Fuselage sliced into 4 parts