ENJOMOR Balance Single-cylinder Hot Air Stirling Engine Model with USB Light Toys Gifts

ENJOMOR Balance Single-cylinder Hot Air Stirling Engine Model with USB Light Toys Gifts Features:Science & Technology Toys: This teach-and-play model with innovative design and rigorous workmanship is created adopting the Stirling principle. The amazing Stirling engine is a kind of external combustion engine only heated by an alcohol lamp for strong power and fast running.Power Generation by Science & Technology: The engine is able to run at high speed as well as lighting up the bulb and the whole working process can be observed in a bright place. You will be captivated by the brilliant light and feel the marvelous energy conversion process when the engine is working in a dark environment.Exquisite Workmanship: The main body of the engine is made of zinc alloy materials in electroplating process for rich metallic luster and enhanced industrial texture, featuring high-precision matchable components for smooth, reliable and long-time operation.Wide Application: The principle of t