Sculpture Pro is a high-quality clay meant for making professional models. Ideal for making vehicle models and sculptural art models. Clay is shaped & molded by scraping with spatulas or profiled scrapers to the desired shape. Available in Terracotta & Grey in 3 types of hardness - Soft, Medium & Hard. Soft and medium-hard clay usually are used in art. The hardest type is commonly used in industrial design. The clay can be always re-heated and re-used.