+ Originality, you really achieve to do somthing different than the other box.
+ Clever use of lighting and colors.
+ The front and the back of your boxes always match, in terms of design.
- I can't really find weakness in your designs, but you may be too focus on the same style of art. I mean that most of your boxes are great colorfull and realistic designs, perhaps you should practice more some other thing like grungy...
+ Your boxes are very creative, and all work together.
+ You have very good design sense
+ You're French.m i think. sorry if I'm wrong.
- A lot of your boxes look the same. While they may be creative, try to find another art style to try. Take a risk. It'll be really nice to see something really outlandish from you, like a game like Katamari Damacy.