Sculptex is a non-toxic, non hardening modeling clay that is sulfur-free and non contaminating. Sculptex is an ideal alternative to sulfur-based clays, which are incompatible with some mold rubbers. It holds excellent detail and is great for precision sculpting, prototyping and model making. Sculptex is available in SOFT, MEDIUM, & HARD.
Monster Clay® Premium Grade Modeling Clay is a re-useable sulfur free, professional oil based sculpting medium. We sell this on Ebay and our website at a price you can't beat! See the video of this amazing clay at: http://www.youtube.com/watch?v=QPCIYwJPP_k