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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
Hot Air Stirling Engine 2-Cylinder LED Flywheels Education Toy Electricity Power GeneratorHot Air Stirling Engine 2 Cylinder LED Flywheels Education Toy Electricity Power Generator Features: Exquisite Appearence: Unique double cylinder shape looks exquisite. Suj alloy steel is used for the power cylinder and the power piston. Aluminum alloy is used for the base, bracket, flywheel, heating cylinder head and power cylinder head, which are carefully polished Safe to Use: The base is equipped with two alcohol lamp fixing bracket, which is
Hot Air Stirling Engine 2-Cylinder LED Flywheels Education Toy Electricity Power Generator
Features:
- Exquisite Appearence: Unique double cylinder shape looks exquisite. Suj alloy steel is used for the power cylinder and the power piston. Aluminum alloy is used for the base, bracket, flywheel, heating cylinder head and power cylinder head, which are carefully polished
- Safe to Use: The base is equipped with two alcohol lamp fixing bracket, which is safer. The heating tube is made of quartz tube with low expansion coefficient and high temperature resistance. It is convenient to observe the movement of the piston
- Main Parameter: The inner diameter of power cylinder is 19mm, piston stroke is 16mm, piston diameter is 16mm, flywheel diameter is 54mm, pulley diameter is 24mm and power generation voltage is 4-9v. It can turn on the led light, combined into a pleasant operation effect. Comes with an extra set of motor with external wiring, which can be used together
- Fuel: 95% alcohol should be used in the operation (not included), not water, kerosene, gasoline, lighter oil, liquor.
- Meaning and Value: By operating the engine, you would observe and know the operational process and more intuitive understanding of the operating principle of stirling engine, deepening your interest in physics; Its superior quality and exquisite appearance also make it of high collection value, which can be used as high-end decorations or gifts .Suitable for people over 14 years old
- How to Start: Put the engine model on the horizontal position, then light the alcohol lamp on the front of the tube. After about 30 seconds to stir the flywheel, the engine can run, thus the small lamp is lit
- Warm Tips: Be careful not to get hot during operation
- Notes: In order to prevent damage due to logistics transportation, quartz glass parts are packaged in parts package, not directly installed. According to the picture, you can easily complete
- Warm Tips: Be careful not to get hot during operation
- Notes: In order to prevent damage due to logistics transportation, quartz glass parts are packaged in parts package, not directly installed. According to the picture, you can easily complete
Specifications:
.Color: As Shown
.Material: Alloy Steel + Aluminum Alloy + Quartz Tube
.Product Size: 21 x 13 x 10cm
.Product Weight: 1650g
.Package Dimensions: 23 x 13 x 16cm
.Package Weight: 1970g
.Packing: Box
Package Content:
.1 x Stirling Engine Model Toy
.2 x Alcohol Lamp
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
4.6 ★★★★★
Based on 1498 reviews
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Product Reviews
★★★★★ 5
A grandmothers choice
Size: 4 Big Kid, Color: Pink B
Good fit. Good price. Good quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
★★★★★ 5
Solid choice for active children
Size: 12 Little Kid, Color: Purple B, Size: 12 Little Kid, Color: Purple B
Happy with this purchase so far. Our 5 year old loves them, they are easy for her to put on by herself. The material seems to be of good quality and made to last.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
★★★★★ 5
Comfortable, Durable, and Perfect for Active Kids
I recently purchased the Under Armour Kids' Grade School Assert 10 Sneakers for my child, and they are excellent! These sneakers are lightweight yet supportive, making them perfect for everyday wear, sports, and outdoor activities. The breathable mesh upper keeps feet cool, while the cushioned midsole provides comfort and shock absorption during running or play.
The sneakers also have a durable rubber outsole that provides excellent traction, reducing the risk of slips during active play. The sleek design and modern style appeal to kids, and the shoes fit true to size, making them easy to wear for extended periods.
Overall, the Assert 10 combines comfort, durability, and style, making it a reliable choice for active kids. They hold up well after repeated wear and are easy to clean, making them a great value for parents.
Pros:
Lightweight, breathable mesh upper
Cushioned midsole for comfort and shock absorption
Durable rubber outsole with good traction
Sleek and modern design appealing to kids
True-to-size fit and easy to clean
Cons:
Minimal color options in some sizes
Laces may require supervision for younger children
Overall: The Under Armour Kids' Grade School Assert 10 Sneakers are comfortable, durable, and stylish, perfect for active kids who need reliable everyday footwear. Highly recommended!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 22, 2025
★★★★★ 5
Great quality
Size: 5 Big Kid, Color: (105) Mod Gray/Black/High Vis Yellow
Only these sneakers could withstand the wear and tear of kids on the tennis courts. Excellent quality, sufficiently wide, and a great price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
★★★★★ 5
UA
Size: 5 Big Kid, Color: (106) Castlerock/Anthracite/Phoenix Fire
True size, nice and bright... Speedy delivery
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
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