Wow! What a cool idea!! I hate animal dissection in real life, but in a cake it would be cool. I found a pic of one http://homepage.mac.com/eliezersilver/iblog/B828340566/C400897704/E679119/Media/DSCF1250.jpg Good luck and post pics
Wow, that'll be a gross one to make. Here's what you get at Google Images. Yuck.
http://images.google.com/images?hl=en&q=dissected+frog&gbv=2
That would be AWESOME to make. I'm officially jealous. :p
Do it in fondant so you can have the "skin" peeled back to reveal the insides. Make a scalpel and a pair of tweezers from gumpaste to place on the cake board. Don't make it too realistic, but there has to be some level of "eeeeeew" to make it cool. 
OK... this is funny! I think I want to make one as a joke for my Mom. She hates... and I mean HATES frogs. When I was in 7th or 8th grade (whenever it is that you dissect frogs)... I brought mine home from school and stuck it in the fridge to mess with her. She freaked out! I was a really obnoxious teenager. 
Anyway... this would be a funny cake to make, but of course I'd make her a real cake too. One that's actually pretty.
Wow! What a cool idea!! I hate animal dissection in real life, but in a cake it would be cool. I found a pic of one http://homepage.mac.com/eliezersilver/iblog/B828340566/C400897704/E679119/Media/DSCF1250.jpg Good luck and post pics
HA HA that is kinda cartoonish and funny! I think this would be a hilarious cake! 
Good Luck! 
I would go for more fun, less yuck. Make the whole table area, with the tools, yet make the froggy escaping off of the side of the cake. 
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