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STARPOWER YH001 Type Digital Stirling Engine Model with Glow Lamp Bead and Voltmeter Physics Experiment Science Discovery Production Invention Gift Collection Toys
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Express delivery: 7-12 business days |
Standard delivery: 15-25 business days
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Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side. Final sales items or free gifts are not acceptable for a return. 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.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier.We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +447549870296
2.Refund Policy
You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment. Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +447549870296Description:
Specifications:
Brand:STARPOWER
Product Name:u03b3 Type Digital Stirling Engine Model
Product NO.:YH001
Color:As Shown
Material:Aluminum Alloy + Stainless Steel
Product Size:180*90*84mm
Package Size:200*110*115mm
Package Weight:0.80kg
For Ages:10+
Features:
* u03b3-typed Stirling Engine: The engine is mounted with three loads namely small generator, light bulb and voltage digital display meter, full of metal mechanical sense and sense of science and technology, is an excellent elegant decoration model
* Educational Toy: The generator can light up the luminous beads while the machine is in operation. The generating voltage can be observed in real time on the voltmeter, which gives enough space for manual operation. Boost your imagination and creativity to realize your technological dreams
* Fine Workmanship: The machine is made of stainless steel and aluminum alloy. The surface is exquisite and full of metalic luster. All parts fit The bottom plate is provided with a notch for placing the alcohol lamp, so that the machine runs smoothly and reliably
* Value: Can be used as a teaching aid to understand and learn Stirling engine structure and principles. It can also be used as a popular science educational toy to do scientific and technological experiments, which can exercise hands-on ability and cultivate innovative ability. At the same time, due to its superior quality and beautiful appearance, it can also be used as a technological decoration, and can also be as a gift to friends and relatives or children
* How to use: The product has been assembled and ready for operation. Place the Stirling engine on a horizontal table, then inject 95% alcohol into the alcohol lamp (not more than 2/3), next light the alcohol lamp and place it under the hot cylinder to preheat for 30 seconds, and turn the flywheel on by hand to start.
Package included:
1 x Stirling Engine Model
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