No, they most certainly are not fun to eat.
xd My science class expanded gummi bears like that as a part of an experiment in 8th grade, and some curious, unfortunate fella decided to try one. He was not pleased.
Personally, I love sugar sculptures. I remember watching a huge competition for them on television once, where the artists not only had to make elaborate and tall sculptures (there was a height requirement), but they also had to go over a sort of obstacle course with them to test their stability. Since then, I've been infatuated with them~....
Here are a couple:
