Miniature Stirling Engine Model Balance Stirling Engine Kit Science Toy Enginediy

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.