dipped

Hi all. Just picked up the used animatronic shown in the picture. I wanted to make it appear as if the baby's throat was ripped open (where it is already torn and paint peeling off). I also wanted to add some flesh hanging from lady's mouth to make it look as if she was the one who had...

I have two projects in mind and would like input on what sticks to what better. First is a smooth Styrofoam ball, if you were going to cover it with something what is better, spackle, cloth dipped in paint? I'm trying to stay away from paper mache as it takes so long to dry here. Outside project...