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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24
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Description
ENJOMOR Hot Air Balance Stirling Engine External Combustion Engine GeneratorENJOMOR Hot Air Balance Stirling Engine External Combustion Engine Generator Features:. With innovative design concept and strict manufacturing, we use the theory of Stirling to build a model that leads kids to knowledge through tangible fun. Heated by alcohol lamp, the model can run quickly with strong power. With mini electric generator to light the LED lamp, the model is unique and exquisite.. The amazing performance will stimulate inspiration and
ENJOMOR Hot Air Balance Stirling Engine External Combustion Engine GeneratorFeatures:
.With innovative design concept and strict manufacturing, we use the theory of Stirling to build a model that leads kids to knowledge through tangible fun. Heated by alcohol lamp, the model can run quickly with strong power. With mini electric generator to light the LED lamp, the model is unique and exquisite.
.The amazing performance will stimulate inspiration and lead you to a fancy world. With the rotation of the flywheel, you will amazed at the energy transformation and enter a extended innovative world.
.The body adopts aluminum alloy, the connecting rod and actuating cylinder are made from copper. Silica glass is used in the heating cylinder. The surface of the model is anodized with metallic luster and operate stably. The model combines texture and beautiful.
.Instruction: Place the model on the desktop then add 95% alcohol into the alcohol lamp (less than 2/3 of the capacity). Lighting the alcohol lamp and preheating by the heating cylinder for 30s. Stir the flywheel to start. Do not touch the heating parts to prevent scald. Make sure there is no lubricant on the cylinder and piston.
.The product is suitable for science and technology enthusiasts, teaching and scientific experiment to exercise operation ability and cultivate innovative ability. With high quality and exquisite outlook, the model can also serve as a ornament and gift for friends and children on holidays. Age:8+
Specifications:
.Material: Aluminum Alloy + Copper + Silica Glass
.Flywheel Diameter: 50mm
.Driving Wheel Diameter: 20mm
.Actuating Cylinder Inner Diameter: 12.5mm
.Piston Stroke: 13mm
.REV: 1200rpm
.Generating Voltage: 3-5V
.Product Dimensions: 15.5 x 8 x 12cm
.Product Weight: 900g
.Package Dimensions: 20 x 11 x 18cm
.Package Weight: 1100g
.Packing: Box
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Works well when properly applied
Size: 3 Fl Oz (Pack of 1)
I try to always buy the highest SPF that I can find. This one fits the bill. If you apply it thoroughly all over and then reapply every few hours, you shouldn't get burned. I've worn it to the water park numerous times now. I have very sensitive skin, and it's given me no issues. I even put it on my face, just being careful not to get too close to my eye area. Once it absorbs into your skin, it doesn't feel too sticky like some other sunscreens can. Just be aware that it will leave a white residue on your bathing suit if you get it on there, but I've always been able to wash it out and that's a small price to pay for proper sun protection!
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Very good... with a comment.
Size: 3 Fl Oz (Pack of 1)
As a bald dude, I fine the fact that it is matt good. Check it before you leave or, if you use to much, looks like white face upon drydown and in dry areas. I like it. I do. And it protected me from the hot sun of the middle east. No burn.
Just needs a second check after about 10 minutes. But very good at what it does!!!
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Excellent product.
Size: 3 Fl Oz (Pack of 1)
Excellent product. The sun is extremely strong where I live, and I've been using this for several days now; it lasts a very long time on the skin. However, if you have very sensitive skin, I wouldn't recommend using it on your face—in my case, it caused a breakout. But for the neck, body, and arms, it’s excellent. I highly recommend it, and it doesn't leave a bad feel on the skin or an unpleasant smell. If you use it in the water, it is recommended to reapply every hour and 20 minutes, otherwise you might get sunburned.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Daily Staple Sunscreen
Size: 3 Fl Oz (Pack of 1)
I’ve been really impressed with this sunscreen—it’s become a daily staple for my face and hands. The SPF 70 gives great peace of mind, especially with regular sun exposure, and it feels lightweight rather than heavy or greasy.
It absorbs quickly and doesn’t leave that thick white cast, which is a huge plus for everyday wear. On my face, it layers well under makeup without pilling, and on my hands, it doesn’t feel sticky or transfer onto everything I touch.
I also appreciate that it holds up well throughout the day without needing constant reapplication (unless I’m outside a lot). Overall, it’s a reliable, high-protection sunscreen that’s comfortable enough to use every day.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Best sunscreen
Size: 3 Fl Oz (Pack of 1)
My favorite sunscreen. Been buying if for 2 years and still a great product. It goes on easily and does not make your skin greasy or sweaty. It does not cause breakouts either.
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Reviewed in the United States on May 7, 2026