AMACO-Mix-A-Mold. Mix-a-mold is a unique formulation of powders which set up and forms a rubbery and flexible non-toxic mold in minutes when mixed with cold water. This molding compound allows you to create molds that vary in strength making it a great product for schools; homes; camps and more where there may be many different types of materials used; plaster; air-dry-clay; oven-bake-clay; moldable plastics; metal art clay (all sold separately): duplicate originals or make reproductions of almost any object large or small. It is easy to mix; not messy to use; odorless; non-flammable and non-toxic. This molding compound creates the perfect mold for casting material. This package contains 8oz/224g Mix-A-Mold Compound. Made in USA.