Furnished in dry form, mixes with water and is ready to use immediately. It is easy to prepare, easy to model, and finished projects are very lightweight. Adheres to forms, wire or solid figures. The finished work can be drilled, sawed, or sanded and then painted with watercolor, tempera, acrylic, or oil paints. Additional art materials can be glued to the project to add interest. Non-toxic, clean and odorless. Brand may vary.