.LTD Stirling Engine: The dreamlike intelligent engine is mainly made of metal for metallic luster and exquisite appearance.
.Simple Operation: Place the engine model on a water cup or coffee cup with the water temperature above 90 degrees Celsius and the undulating flywheel will magically run after half a minute of preheating. The engine is a desktop toy for great enjoyment.
.Durable, Remaining Operation: the engine is durable and mute in operation, with enough temperature difference for remaining operation. The engine model makes an excellent display for your desktop and office table.
.Multiple Uses: The engine is a cost-effective and interesting product for scientific experiment projects, energy conversion and dynamics studies, and teaching demonstrations. The engine is an amazing toy for conversation starter with your friends and everyone wonder how it works.
.Perfect Gift: The engine model is a perfect surprise gift on birthday and Christmas for friends, family, parents or children, an exquisite toy for many mechanical enthusiasts, model collectors, and a superb teaching tool favored by school teachers. Suitable for ages 8+.
.Note: Please use a little graphite for lubrication to make the engine quiet down if there is mechanical noise. You can scrape the graphite of a pencil with a knife. Do not add oil for lubrication because the oil will become mixed pollutant when mixed with the dust in the air, resulting in greater friction. Otherwise, the Stirling engine will not function.
.Material: Alluminum Alloy + Stainless Steel + Glass
.Product Dimensions: 8.9 x 8.9 x 14.5cm
.Product Weight: 200g
.Package Dimensions: 20.5 x 11.5 x 18.5cm
.Package Weight: 330g
.Paking: Graphic Carton
Q1 : Do you ship worldwide?
A1 : Yes, we can ship worldwide.
Q2 : Where you ship goods from?
A2 : Our warehouse is located in China, the goods will be shipped from China mainland.
Q3 : What is the shipping cost?
A3 : For giving customer good shopping experience, we offer free international shipment.
Q4 : What is the shipping time?
A4 : For expected delivery date, please check in this page: Expected Delivery Time
Q5 : How do I track my package?
A5 : You can track your order on 17track.net . Or if you need a team members help check up please contact with our service team firstname.lastname@example.org and we will be in touch with a status update.
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A4 : Yes, Enginediy.com takes precautions to protect your personal information. When you submit sensitive information via the website, your information is protected both online and offline. Please don’t worry for this.
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A5 : If the recipient's address was wrong, after the failed delivery, the parcel should be returned back to sender. After we receive the parcel, we will contact you for an updated address and arrange the new shipment.
Questions about Return & Refunds
Q1 : What items are returnable?
A1 : a)- We can accept returns or exchanges within the 30-day period. b)- All returned items must be in the original condition: unused, unwashed, and unworn. No exceptions.
Q2 : How do I return a product?
A2: Contact with Enginediy Service Team firstname.lastname@example.org to confirm details to make sure the item is meet the return condition. After the agreement, Service Team will send the detailed return information, please offer return tracking number after return shipment .
Q3 : What is you refund policy?
A3 : Refunds are processed within 1-5 business days, after you received our confirmation on the cancellation.
Q4 : How will you refund me?
A4 : The refund are applied to the original payment method.
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