Models & Model Kits

Joytopiaminds Stirling Engine Model Kits, Adjustable Speed Alcohol-Powered Stirling Engine with Horizontal Flywheel for Physical Science Experiment Display ️ Precision RPM Control - Unique top-mounted knob regulates airflow to adjust speed (200-800 RPM range). Horizontal flywheel design enhances stability for smoother variable-speed operation in compact 10cm³ footprint Premium Craftsmanship -... Joytopiaminds Stirling Engine Model Kits, Adjustable Speed Alcohol-Powered Stirling Engine with Horizontal Flywheel for Physical Science Experiment Display