drawing

Hi, here is my first Oakley drawing, it took me about 8 days to finish it. (I took it out of my imagination it is NOT a copy) I tell you that I want to paint 10 like these, I just hope I can do it. my materials are A3 paper and pencils of the Pentel brand 0.3, 0.5, 0.7, and 0.9 H and HB. and...