SXRegalium Stirling Engine Model Kit, Low Temperature Difference with Golden Flywheel for Physical Science Experiment Display

Elegant Purple Scientific Art: Features mirrored stainless steel base + golden flywheel under vibrant purple acrylic casing (12.2x10.2x10.2cm). Doubles as mesmerizing kinetic decor for offices, classrooms, or labs Ready-to-Run & Unique Gift: Fully assembled with protective packaging. Exceptional present for educators, engineers, or science enthusiasts seeking striking desktop science art Hands-On Energy Education: Demonstrates heat→motion conversion principles. Ideal for physics/engineering classrooms (ages 15+). Includes setup guidance for experiments in thermodynamics and energy efficiency Cup-Powered Thermodynamics: Revolutionary low-temp operation! Starts at just 20°C/68°F differential. Place on any hot surface (>90°C) like a coffee cup - watch the golden flywheel spin within 30 seconds. No flames or fuel required ️ Precision Low-Speed Operation: Engineered for ultra-smooth 200 RPM rotation. Continuous runtime with stable heat source. Maintenance-friendly: graphite lubrication maintains performance (instructions included)