styrofoam head

started working on this Styrofoam head i got to use with my shiatsu animatronic. i haven't carved a styrofoam head in years so i was kind of just practicing with this guy. came out pretty good but i went way to far with the mouth. hollowed out to much inside as well. it looked really stylized...

Alright, so I've been looking online for styrofoam wig heads that have slightly realistic features and that are cheap(I was hoping for under 2.50 each). Now, I live in Perú but I am going to move to the states in a few months(only going for about 4 years). I still want to make some props to...