Low Temperature Difference LTD Stirling Engine Model Coffee Powered Gadget
Features:
.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.
Specifications:
.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
Fast Shipping and professional packaging
Through our long-term relationship with UPS, FedEx, DHL as well as a range of other leading global carriers, we can provide a variety of shipping options. Our warehouse staff are highly trained to pack your goods exactly as per the specifications that we supply. Your goods will undergo an exhaustive examination before they will be properly packaged prior to being shipped. Every day, we deliver to thousands of customers in multiple countries. This shows our commitment to becoming the biggest retailer on the internet. There are distribution centers and warehouses located in Europe and the USA.
Note: Orders that contain more than one item are assigned a specific processing period depending on the specific item.
Before shipping the items, our staff will carry out an extensive inspection of the products you ordered. Today, most orders will be delivered within 48 hours. The time to deliver varies from 3-7 days.
Returns
The stock market is always changing. It's not entirely managed by us since we are involved with multiple organizations, such as the factory and our storage. Therefore, the actual inventory could change at any time. Be aware that it is possible for your order to be out of stock after you have placed the order.
Our policy lasts for thirty days. If you haven't received the product within 30 days, we are unable to offer a refund or an exchange.
You can only return a product if it is unused and still in the same state as when you first received it. It should also be returned in the original packaging.
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