No pics, but just a quick update: I'm on vacation and my Dad (a fine modeler himself) has introduced me to Super Sculpey. I was actually fully aware of this polymer clay before, I just never had the gumption to spend money to try it out myself. Well, Dad had some, and I gave it a whirl.
Super Sculpey is a polymer clay that, once you have finished your sculpture, can be baked in a regular oven to harden the clay. The result, in my opinion, is close to a resin finish. There are two Sculpeys out there, Sculpey and Super Sculpey. As far as I can tell, the Super is chip and shatter resistant. Keep in mind, resistant does not mean indestructible. The thicker pieces I made are strong, but the smaller pieces (such as thin bases) will snap if you apply enough pressure.
But, holy cow, the possibilities. Imagine working with green stuff, except your sculpt doesn't pick up your fingerprints, and doesn't dry until you bake it allowing to you to work and rework your sculpt at your convenience through the week.
It does have it's drawbacks: Since you have to bake it, that precludes you from using it to fill gaps or add parts to metal miniatures. Also, it's difficult if not impossible to sculpt hard edges while it's soft, BUT it can be polished, sanded and filed once it has hardened after baking, so hard edges are achieveable.
I say go buy a block. A 1-pound block will cost between $10-$14 (cost varying with region.) But places like Michael's and Hobby Lobby always have 40 percent off coupons.
If you try it and don't like it, give it to the kids and let them have fun, it's (advertised as) non-toxic (though the box says to be careful of the fumes when baking.)