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LL-007 Power Generation Stirling Engine Model Science Discovery Education Desktop Decorations Collection Toys
9
Shipping to: United States |
Express delivery: 7-12 business days |
Standard delivery: 15-25 business days
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Free Gift
Shipping Policy
Return PolicyFree Gift
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
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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: +447549870296
Description:
Specification:
Item Name:Power Generation Stirling Engine Model
Item NO.:LL-007
Material:Stainless+Aluminum Alloy+Glass
Color:Gold/Silver
Weight:17.5 x 9.5 x 11.5cm/500g
Size Of Engine:170 x 80 x 105mm(L x W x H) (Manual measurement has an error of about 1 cm / 0.4 inches)
Output Voltage:3.0 to 5.0 V
Fuel:95% Alcohol(Not included)
Features:
mso-font-kerning:1.0000pt;">1.Multicolor LED: The Stirling engine model generates electricity due to the heat of high-quality alcohol to drive the multicolor LED lighting.
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mso-font-kerning:1.0000pt;">2.Aluminum Alloy: The base plate of the Stirling engine model is made of brushed aluminum alloy, the housing frame is CNC sandblasted, and the flywheel is made of aluminum alloy.
mso-font-kerning:1.0000pt;">3.Reliable Material: The connecting rods of the Stirling engine model are cut from stainless steel. The heating cylinder is made of thickened glass for long-term heating.
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mso-font-kerning:1.0000pt;">4.Easy to Operate: The Stirling engine toy recommends 95% alcohol, let the light burn in the cylinder at the rounded end for about 60 to 120 seconds, then gently push the wheel.
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mso-font-kerning:1.0000pt;">5. Scope of application: Suitable as children"s science project gifts, physics and mechanics learning, teacher demonstration props, etc.
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Operation:
mso-font-kerning:1.0000pt;">1. Check the air tightness and glass broken of machine:
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font-size:9.0000pt;mso-font-kerning:1.0000pt;">l
mso-font-kerning:1.0000pt;">No any broken on glass tube
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mso-font-kerning:1.0000pt;">Turn the big wheel, with elasticity force is good
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mso-font-kerning:1.0000pt;">2.Fire the alcohol lamp, preheat the tube approx 20s(very important), turn the big wheel, the engine working.
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Note:
mso-font-kerning:1.0000pt;">1.the picture may not reflect the actual color of the item. Thanks for your understanding.
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mso-font-kerning:1.0000pt;">2.Kids should be accompanied by adult.
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mso-font-kerning:1.0000pt;">3.Recom
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mso-font-kerning:1.0000pt;">end using alcohol with purity95%(prepared by buyer self)
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mso-font-kerning:1.0000pt;">4.HOT! HOT! HOT! Donu2019t touch the glass when using.
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mso-font-kerning:1.0000pt;">5.Be careful the alcohol spitting out, it was very dangerous, If spitted out, donu2019t be panic, use a wet rag to cover the fire
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mso-font-kerning:1.0000pt;">6.Both ends of the connecting rod joint activities need to add regular oil lubrication, the piston can not refuel, otherwise it will not work the resistance.
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Package included:
mso-font-kerning:1.0000pt;">1 x Engine Model
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mso-font-kerning:1.0000pt;">1 x Alcohol
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mso-font-kerning:1.0000pt;">amp(without liquid)
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mso-font-kerning:1.0000pt;">1 x English instruction manual( contained operation video)
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mso-font-kerning:1.0000pt;">1 x Alcohol dropper(3ml)
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mso-font-kerning:1.0000pt;">1 x Spare heating glass tube
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mso-font-kerning:1.0000pt;">2 x Led bead
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mso-font-kerning:1.0000pt;">3 x Hex Wrench
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mso-font-kerning:1.0000pt;">1 x Tweezers
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