Description Are you looking for a professional, yet affordable fire-leading tool for physical experiment? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional fire-leading tool must meet you needs. It is one of the best choices for you. Features - Color: Sky-blue. - Material: Plastic, metal. - Size: About 27.6x6x6cm/ 10.85x2.36x2.36 inch. - Demonstrate the transformation of mechanical energy into heat energy. - Double-layer central control s, flat base, safe use. - Stimulate students' interest, improve analysis and observation skills. - students' understanding of the conversion of mechanical energy into thermal energy. - The price is very suitable for teachers to teach.Package list: 1 x fire-leading tool