• Metal Plastic
• Visually Dynamic Three-Blade Propeller: The unique three-blade propeller design not only adds elegant style but also enhances the visual impact during operation—making it a perfect choice for model collectors and enthusiasts.
• Perfect Desktop Decor and Creative Gift: Perfect as an office desk ornament, a collectible for science lovers, or a thoughtful gift for engineers, teachers, students, or friends. Combines visual appeal with educational value.
• A Safe and Visible Mechanical Marvel: Powered by just a cup of hot water or the warmth of your hand! This model uses a low-temperature differential Stirling cycle to demonstrate the real process of converting heat into mechanical energy—perfect for science teaching and demonstrations.
• Educational & Functional: An excellent demonstration tool for thermodynamics and energy conversion. Enhances understanding through visual learning and hands-on engagement, making it suitable for science education, classroom use, or technical training
• Exceptional Gift Choice: Comes in a refined gift box, making it an ideal gift for engineers, science enthusiasts, collectors, and those who appreciate mechanical elegance. A standout item for display or interactive use