Polymer clay is a synthetic clay that is not derived from natural materials like earthenware, porcelain, and stoneware.

Plaster of Paris is made from calcium sulfate, which is a naturally occurring mineral.

Beeswax, paraffin wax, and carnauba wax are all types of wax that can be used in sculpture.

Bronze is an alloy primarily composed of copper, with tin and other metals added to improve its properties.

Concrete is a man-made material, while marble, granite, and sandstone are natural stones.

Fiberglass is a composite material made from glass fibers, resin, and a hardener.

Plastic is a synthetic material, while mahogany, oak, and pine are all types of wood.

Paper clay is a mixture of paper pulp, clay, and water.

Gold is a precious metal that is not commonly used in sculpture due to its high cost.

Concrete is a mixture of cement, sand, gravel, and water.

Polyurethane resin is not commonly used in sculpture as it is more commonly used in casting and molding.

Plaster is made from calcium sulfate, which is a naturally occurring mineral.

Polymer clay is a synthetic clay that is not derived from natural materials like earthenware, porcelain, and stoneware.

Bronze is an alloy primarily composed of copper, with tin and other metals added to improve its properties.

Concrete is a man-made material, while marble, granite, and sandstone are all types of wood.