Wondering what to do when your little one adores flying? Instead of embracing an all-out aviation theme, use neutral colors and furniture to create a sophisticated space and add fun airplane-theme accessories. A large model airplane hanging above the bed and some adorable airplane throw pillows embrace his love of flying, but the items can be easily replaced as his interests change.
Spare room/craft room (or more accurate: my craft room with a bed so I never have to leave!) Article is actually about "thoughtful teenage bedrooms" but I see the room layouts as potential "studio-guest room combo.