Mini External Combustion Stirling Engine Experimental Model Motor Generator Engine Physics Collection Toy Gift Specification: Name: Stirling engine model Material: Metal Size: 16x8.5x7.5cm Shipping list: Sterling Engine Model*1 Alcohol bottle*1 (excluding alcohol) Instructions: 1: Turn the flywheel by hand to see if it is smooth. 2: Check whether the sliding parts are clean. 3: fill the alcohol lamp to less than two-thirds. 4: Light the alcohol lamp on the front end of the test tube. Turn the flywheel after about 1 minute. The engine is spinning. The warm-up time with the generator is slightly longer. Precautions: Do not touch the baked test tube and the metal connected to it to avoid burns.
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