Feature: 1. Interesting Toy: This hot air stirling engine will show you how thermal energy is converted into mechanical energy of the engine.2. Easy Operation: This stirling engine model is easy to operate. Let the light burn the round ended cylinder for about 60 to 120 seconds, then give the wheel a gently push. 3. Wooden Base: This stirling engine toy is designed with 4 nonslip pad at wooden base, which ensures high stability and low noise. 4. Wide Application: This power generator model is widely used in children's science projects, physical/mechanical learning, and as a demonstration prop for teachers in the classroom. 5. Practical Gift: This engine motor model is a well designed mechanical toy that nicely demonstrates the principle of the internal combustion engine and makes a great gift for family and friends. Specification: Item Type: Hot Air Stirling Engine Package List: 1 x Hot Air Stirling Engine1 x Alcohol Bottle 1 x Alcohol Bottle Cover 1 x User Manual 1 x Dropper 1 x Spare Glass Tube 1 x Light Bead 1 x Rope 1 x Voltmeter
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