principle of dual wheel marble machine

assembly runnable marble machine mechanical stirling engine model roll - stirlingkit

assembly runnable marble machine mechanical stirling engine model roll - stirlingkit

2.You will receive a confirmation e-mail after placing an order and another e-mail after your order has been shipped. The second one will contain the tracking information and some instructions on how to track your parcel.

3.Learn more Return policy: 1.All products can be requested for Return Merchandise Authorization within warranty of return. 2.Warranty of return: 30 days that the package has been received 3.Learn more (Tips:If you have any problems about stirlingkit policy, please contact us)

Q1 : If my password forgotten how to deal with?A1 :Send an Email to: [email protected] the same Email ofstirlingkit account.Our staff will reset your password as soon as possible.Q2 : Where is my order?A2 : You can track your order on 17track.net. Or if you need a team members help check up please contact with our service teamand we will be in touch with a status update.Q3 : RefundA3 : Refunds are processed within 1-5 business days, after you received our confirmation on the cancellation.

Q6: How do I return a faulty product?A6 :If you have purchased a product in store that appears faulty, you are welcome to return it to the store for testing, an exchange or refund. Occasionally a product bought online may arrive faulty, if this is the case please contact our friendly customer service

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