V-shape Four-cylinder Vacuum Suction Engine Model Toy for Developing Intelligence
.100% brand new with high quality .The V-shaped four-cylinder is domineering and looks beautiful .Selected quality materials, made of pure metal, high-end atmosphere .The overall polishing is meticulous, the color is bright, it is not easy to rust and fade, and has a high-end texture, achieving a dual combination of texture and beauty .The alcohol lamp has a fixed lamp holder for safer and more reliable .During operation, the engine model is placed in a horizontal position, and alcohol is injected into the alcohol lamp to ensure the safety of the alcohol lamp .The alcohol lamp heats the piston tube, and the dry air expands to generate power .At the same time, the flywheel is assisted by hand to drive the flywheel to rotate rapidly .Use 95% alcohol (self-prepared) during operation, no water, kerosene, gasoline, lighter oil,liqueur .Education and fun, through the hands-on operation, you can observe the entire low temperature Stirling engine operation process, more intuitive understanding of the Stirling principle, and deepen your interest in physics .The product itself has been assembled and can be directly used, and its superior quality and exquisite appearance also make it have a high collection value, which can be used as a high-end gift .The product is suitable for people over 14 years old .Tips: Be careful not to be hot to the high temperature during the operation
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1.Free shipping of all order.
2.You will receive a confirmation e-mail after placing an order and another e-mail after your order has been shipped. The second one will contain the tracking information and some instructions on how to track your parcel.
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Q1 : If my password forgotten how to deal with? A1 : Send an Email to: email@example.com. with the same Email of stirlingkit account. Our staff will reset your password as soon as possible. Q2 : Where is my order? A2 : You can track your order on 17track.net. Or if you need a team members help check up please contact with our service team and we will be in touch with a status update. Q3 : Refund A3 : Refunds are processed within 1-5 business days, after you received our confirmation on the cancellation.
Q4 : How to cancel my order ? A4 : You can cancel your order only when your order has not been shipped. Please contact us firstname.lastname@example.org , we will cancel your order and give you full refund.
Q5: Returns A5 :Order purchased in store and online have a 30 day return guarantee.
Q6: How do I return a faulty product? A6 :If you have purchased a product in store that appears faulty, you are welcome to return it to the store for testing, an exchange or refund. Occasionally a product bought online may arrive faulty, if this is the case please contact our friendly customer service
Q7: I want to buy a large quantity of particular products, do you offer volume discounts? A7 : Please contact us for a quote.