Designed to help you cut, slice or shape hard foam sheets smoothly and cleanly with less mess. Ideal for craft and hobby projects. Heats up and is ready to use in seconds. Stay-cool handle. For use with extruded or expanded polystyrene foams up to 2-3/4" thick. Comes with a USB plug, instructions, and a stand that keeps the hot wire elevated from work surfaces. For ages 14 and up. Use in a well-ventilated area.