I really enjoyed making these because I was able to experiment and it was interesting to see what works best on different surfaces. The worst surface was the one with gesso because I really like to use either color pencils or watercolors and well... color pencils are o.k. over the gesso but watercolors... not really :) The mistake was all mine, I should have used the papery side of the boxes from the beginning and just glue two pieces of the cardboard together with the printed sides. I did it in the end so I had to cut some of the feathers twice (which is the worst part of the job for me :) ).
I can't possibly choose the favourite one because I really like most of them :) I think I'll be drawing or making some more in the future because they really are such a cool project.
There is still time for you to make some and send them to Yanik. If you haven't seen the "why part" about it - jump here.