- Operating principle: The burning alcohol lamp provides heat and electricity to expand the internal gas, increasing the pressure on the gas inside the engine and driving the flywheels. - Construction: The motor is built from aluminium alloys, glass, stainless steel and wood, delivering a sturdy and durable build. - Hands-on learning: With hands-on operation you can observe the full Stirling engine cycle, understand its working principle more intuitively, and foster students' interest in physics. - Applications: Ideal for children's science projects, physics and mechanical learning, and classroom demonstration props for teachers; suitable as a gift for friends, family and children. - Use scenarios: Classroom thermodynamics demonstrations; school or home science projects; educational gifts for birthdays or holidays.