This 12 piece tool set is dual ended so it is like getting 24 unique tools in the set! These are a great addition to your custom class pack. Made from polypropylene and is compatible with polymer clay Size - 5.25" Long 12 tools with dual heads provide a wide variety of 24 shapes ...This 12 piece tool set is dual ended so it is like getting 24 unique tools in the set! These are a great addition to your custom class pack. Made from polypropylene and is compatible with polymer clay Size - 5.25" Long 12 tools with dual heads provide a wide variety of 24 shapes good for smoothing, detailing, carving, shaping and sculpting These tools include cutting and detailing ends perfect for all types of projects from sculpting to detailing any type of classroom project Clean with soap and water or a baby wipe Perfect for sharing in classrooms