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$129.99
1. Free Shipping Of All /Return guarantee /Payment secure.
2. Please contact us for Wholesale
Features:
Stirling Helicopter:
It is not only a beautiful helicopter, but also powered by a γ-shape Stirling engine. It will not fly, but when you light the alcohol lamp, the propeller will spin as if it is ready to take off
Excellent Manufacturing Process:
The model is drawn by CAD and manufactured by CNC precision technology. The body is made of aluminum alloy and stainless steel, gears and blades are made of copper, and the surface is finely polished, exquisite and bright. The glass piston has better abrasion resistance, and the quartz heating tube will not burst even when it works in an environment of rapid thermal expansion and contraction
Technology Toys:
When you see modular components, the real fun comes. You only need to carry out simple assembly, and after the construction is completed, you can see the helicopter at work. The helicopter runs smoothly and reliably, and the perfect combination of texture and beauty provides a pleasing operation effect
Easy to Use:
Just inject 95% alcohol into the alcohol lamp, light the alcohol lamp and place it under the hot cylinder to warm up for a while, manually turn the flywheel to help start, and the Stirling helicopter will continue to operate. During operation, please do not touch the heating part with your hands at will to prevent scalding, and do not apply any oil to the cylinder or piston for lubrication. Widely used and festivals
Wide Applications and Excellent Gifts:
This is an interesting and imaginative tabletop toy, which will attract the attention of many people when placed on the tabletop. It is suitable to be used as a teaching aid, to do scientific experiments, to help popularize science knowledge and cultivate innovation ability. At the same time, it is suitable as a great gift for birthdays, Christmas and other holidays to technology enthusiasts, family, friends, and children.
Recommended Age: 8+
Specifications:
.Color: As Shown
.Material: Aluminum Alloy + Copper + Stainless Steel
.Product Weight: 700g
.Package Dimensions: 23 x 13 x 16cm
.Package Weight: 850g
.Packing: Box
Package Content:
.1 x Engine Model Kits
Questions about Shipment
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 and we will be in touch with a status update.
Questions about Payment & Order
Q1 : What payment terms you can accept?
A1 : For payment, we accept Paypal and Credit Card.
Q2 : My payment was declined, why? How to solve it ?
A2 : If you made the purchase via Credit Card and failed, could you please contact with Stripe Support Team for solution? Or if the issue can be solved, please no worry, we accept Paypal payment as well.
Q3 : How do I cancel my order?
A3 : For the order, if not shipped out yet, please contact with our Service Support Team , we will cancel your order and give you full refund.
Q4 : Is my information is securing using this site?
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.
Q5 : What if my address is wrong?
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 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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