- Handling time>> Priority is given to delivery after payment
- 💯Payments Via PayPal® or Credit Card
- 🌈 Guarantee>> We have a a risk-free 90-day guarantee
- 🎯Shipping takes different depending on location
- 99.6% Reviewers Buy 2 or more!
Features:
★ Easy to Operate: Just place it on a cup of hot water, and gently flip the wheel until the wheel can run automatically.
★ Superior Performance: By operating the engine, children would observe and know the operational process and more intuitive understanding of the operating principle of Stirling engine, deepening interest in physics.
★ A Classic Stirling Engine Model: Made of premium metal, and the high intensity PC material is heat-resistant and harmless. Transparent body gives you a clear view on how every parts work .
★ Safe for Children: No need to fire an alcohol lamp, safer for children. Fully assembled, no need to install it yourself.
★ Great Educational Toy: classroom or laboratory experimental teaching aids, the best choice gift for students, teachers, children , friends and colleagues.
Product details:
Overall metal material, CNC fine carving, fine workmanship,
Metal double gear valve phase,
8 precision bearings inlaid, light, long-lasting operation.
Product parameters:
Overall dimensions: 90mm*90mm*120mm
Flywheel diameter: 80mm
Weight: 170g
Material: Aluminum alloy /Copper alloy/stainless steel Surface process: Oxidation sandblasting/polishing How to use ① Use a flat-mouthed water cup with a diameter less than 85mm, and pour boiling water to a height of about 1 cm from the cup mouth;
② Place the machine in the center above the cup mouth and wait for 15 seconds Left and right, turn the flywheel to rotate at high speed;
Note: This product must not be heated with a heat source higher than 120℃, otherwise it will cause damage!!
It is forbidden to apply liquid grease to any moving parts, otherwise it will not start!!
This product must not be directly immersed In water or in direct contact with water!!
Children must use under adult supervision to prevent scalding from hot water!!
AFTER SALE SERVICE
- We offer a 100% satisfaction guarantee, a 30-day money-back guarantee.
- We have 24/7/365 Facebook Messenger and email support.
- We strive to make our customers 100% satisfied with the product you have purchased. Please don't hesitate to email us with any questions or problems and we will help you right away.
- Tip: Buying 2 products or more at the same time will save you quite a lot on shipping fees.
THIS PRODUCT IS A LIMITED PRODUCTION AND IS NOT AVAILABLE IN STORES. WILL SELL OUT FAST!
🔥 Fast refund>> Partial or full refund depend on the situation;
🚚 Insured Worldwide Shipping: Each order includes real-time tracking details and insurance coverage in the unlikely event that a package gets lost or stolen in transit.
✉️ 24/7 Customer Support: We have a team of live reps ready to help and answer any questions you have within a 24-hour time frame, 7 days a week.
🔒 Safe & Secure Checkouts: We use state-of-the-art SSL Secure encryption to keep your personal and financial information 100% protected.
We do our best to process & ship all orders as soon as possible. We're proud to offer worldwide shipping
Cancellation
We accept order cancellation before the product is shipped or produced. If the order is cancelled you will get full refund. We cannot cancel the order if the product is already shipped out.
Returns
We accept return of products. Customers have the right to apply for a return within 14 days after delivery the product.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. To complete your return, we require a receipt or proof of purchase. Please ask our customer service to make sure you send the package to the right address.
Notes
Custom-order or personalised items do not have a right to 14 days refund.
If the return is caused by the consumer, consumer should be responsible for the shipping fee. The specific fee should be based on the express company you choose.
If due to our reasons, the goods received are damaged or not correct, the consumer is not required to bear the shipping fee for this reason.
No restocking fee to be charged to the consumers for the return of a product.;
Refunds
Once your return is received and inspected, we will email you a notification of receipt. We will also notify you of the approval or rejection of your refund. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Late or missing refunds
If you haven’t received a refund yet, first check your bank account again.
Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund, please contact us at thygarmen@outlook.com
Please contact our Customer service at thygarmen@outlook.com to get the return address.