The Glass Works Stirling Engine features glass cylinders which expose the pistons at work!  Look inside the glass cylinders and see the stirling engine in action! Fuel not included; please use methylated-spirits, i.e. denatured alcohol.

Features:
• Replaceable and adjustable Pyrex heat cap
• Replaceable Pyrex power cylinder
• Dual fuel capability

Specifications:
• Runs at 1500 RPM
• Gyro-quality ball bearings, machined flywheel, sand cast frame, aluminum cooling fins and hardwood platform  
• Run with included alcohol burner or solid fuel
• Comes assembled and ready-to-run