Description Are you looking for professional physical experiment air compression igniter? If yes, look no further! Our air compression igniter must meet your needs. Simple in structure, easy to use, simple appearance design, you can use it with confidence. A nice physical experiment equipment to demonstrate the transformation of mechanical energy into heat energy. Features - Color: As shown - Material: Plastic, metal, glass - Size:27.60X6.00X6.00cm/10.85X2.36X2.36in -Wide of application, suitable as teaching demonstration, mechanical energy to internal energy experiment tool. -It is a simple demonstrator of gas compression. When the gas is compressed quickly, the temperature increases. -It's suitable for junior high school physics course experiment teaching, cultivate children's interest in physics. -The fire-leading tool is a safe and interactive experience that keeps student engaged, more intuitive and easy to understand. -It provides hands on learning experience as well as being one of the safe heat conversion physics experiment teaching instrument in the classroom. Package list: 2 x compression air igniters