These are examples of good designs. Their designes are unique, the web-cam (left) resembles a spider and it looks modern and cool. The speaker bag (left) looks like it cam from the future and is very modern too.
These are the bad designs. The gun is pointing backwards causing people to shoot themselves, thus it is a bad design as it has low means of self protection. The chair is badly designed as it is very difficult to get it the chair or even get out of it.
Source: Google Images