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- USA
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.9 ★★★★★
Based on 1881 reviews
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Product Reviews
★★★★★ 4
Cool not cold
Color: Light Gray, Size: Queen
Super silky like material. Comfy and fits pillow perfectly. Wish it could be a more cold then cool.
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Reviewed in the United States on June 1, 2026
★★★★★ 3
It’s ok could be cooler
Color: Light Gray, Size: Queen
Decent — could be cooler. They’re a nice color and texture. It fit my pillows well no annoying zippers it’s nice to sleep on and stay in place.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Comfort
Color: Champagne, Size: Queen
What a lifesaver, great feel, and awesome cooling feel
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 5
Cool bedding
Color: Champagne, Size: Queen
As advertised nice and soft. But most of all cool. It really stays cool, especially on warm nights. A.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Awesome Pillow!!!
Size: Queen, Number of Items: 1
This pillow is Amazing!!! So Great to sleep on. I finally can get a good night's sleep!!! Its very soft and comfortable. I also haven’t gotten up with a stiff neck in the morning either!!!
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Reviewed in the United States on May 16, 2026