Miniature Stirling Engine Model Generator Steam Power Technology Experiment Toy Operation Guideline 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. 5.Turn the flywheel after about 1 minute. 6.The engine is spinning. 7.The warm-up time with the generator is slightly longer. Precautions: 1. Do not touch the baked test tube and the metal connected to it to avoid burns. 2. Light the alcohol lamp for a long time, and the alcohol lamp should not be touched easily to avoid burns. 3. When heating, the alcohol lamp cotton thread should not touch the test tube, and the piston should not be refueled. Both ends of the connecting rod need to be lubricated. Delivery list: engine, alcohol lamp, spare test tube, led indicator light. Stirling engine engine model! Super quality performance! Contact us We can be contacted at any time through messages if you have any questions, comments or product requests. We will respond to you within 24 hours and do our best to help you out! We encourage our customers to contact us with any questions or concerns! We'd like to be sure you are completely satisfied with your purchase. Payment We accept payments via any method that permits. Payment must be received within 7 business days of auction closing. We ship to your or PayPal address. Please make sure your address is correct before you pay. If you have any issue with your address let us know before you purchase. Shipping We ship to your address. Please make sure your is correct before you pay. If you have any issue with your address let us know before you purchase. Items will be shipped ASAP after we receive the payment. Delivery time depends on destination and other factors. Policies We are not responsible for any custom duty or import tax. Please contact us if you are not satisfied with the item after receive it. Serious Buyer Only! Please place bid only if you agree with all the terms. If you have any problems or concerns whatever with your order or products, please message us and give us a chance to assist you before you leave any feedback. We believe we can produce a positive outcome to any situation and will work hard to earn your praise.