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$86.99
1. Free Shipping Of All /Return guarantee /Payment secure.
2. Please contact us for Wholesale
Features:
.Science & Education Toy:
It creates a model that combines education with fun using Stirling’s principle. As an external-combustion engine, Stirling engine will run steadily and quickly when heated by the alcohol lamp and moving the flywheel. People will be amazed.
.Mechanical Science Popularization:
You can observe the whole working process of the engine, understand its structure and principle, and feel the magic process of energy conversion. At the same time help to exercise the practical ability, improve learning interest, and stimulate creativity.
.Excellent Manufacturing:
The machine is mainly made of CNC finished from aluminum alloy material, with fine surface treatment and metal base, and easy to place and collect. The thickened and unbreakable glass can be heated and run for a long time. With an exquisite overall shape, it is a combination of texture and beauty.
.Multiple Uses:
Its principle is a closed cycle reciprocating engine with periodical compression and expansion of gas at different temperatures caused by external heating, which is simple to use and operate.The engine makes a excellent display for physics/mechanical teaching demonstration, laboratory experiment teaching aid, gift, desktop decoration etc.
.Perfect Gift:
This is a wonderful and impressive artifact that can be used as a conversation starter. Elegant color box packaging makes it look beautiful and high value, and Suitable for children and technology enthusiasts. The engine is also a perfect gift for family, children and friends.
Specifications:
.Material: Quartz Glass &Metal
.Product Weight: 470g
.Product Dimensions: 16*8*6.5cm
.Package Weight：550g
.Packing: Graphic Carton
.Ages: 12+
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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