Vacuum Engine Flame-licker Engine Flame-eater Engine Model Kit Educational Toy.

Features:

• The bottom plate was finely polished and painted.
• The bracket has hollow out design.
• High-precision bearings rotate smoothly.
• Pure copper crankshaft is easy to disassemble.
• Full metal alcohol lamp, heat resistant wick copper tube.
• Full metal hot cylinders, valve baffle and connecting rod are made of high quality stainless steel.
• The model is exquisite and beautiful, perfect as a gift or collection.

Tips:

• After using it, please let the engine natural cool. Don't touch the alcohol burner, burned tube or the metal to avoid scald.
• 95% alcohol (self-prepared) should be used in the operation. Water, kerosene, gasoline, lighter oil, and liquor should not be added.
• The Stirling engine model is suit for people over 14 years old. Operate under adults' supervision.

Specifications:

• Style: Vacuum Engine
• Material: Aluminum Alloy + Stainless Steel
• Product Dimensions: 150x70x90mm
• Product Weight: 320g

Package Includes:

• 1 x Vacuum Engine Model