Models & Model Kits

Joytopiaminds Stirling Engine Model Kit, Horizontal Flywheel High-Spee Hot Air Stirling Engine with Quartz Glass & Metal Base for Physical Science Experiment Display Horizontal Flywheel Design: Features distinctive CNC-machined aluminum flywheel achieving high-speed rotation when heated. Showcases mesmerizing kinetic energy conversion (16×8×6.5cm / 470g) External Combustion Operation: Powered solely by... Joytopiaminds Stirling Engine Model Kit, Horizontal Flywheel High-Spee Hot Air Stirling Engine with Quartz Glass & Metal Base for Physical Science Experiment Display