He now can fly airplane in Pheonix simulator and wanna real airplane to begin with, so i suggest him try to fly Blu-baby airplane.
What is a Blu-baby airplane ?
Blu-baby airplane is a simple trainer airplane build from foamboard, its really simple to build and had a slow glide caracteristic which is suitable for beginner. you can get the plan with this link
first of all please download the plan and print the plan in your printer
this is my first build blu-baby