SKU: 87323837562

Stirling Engine Kit STEM Hot Air Stirling Engine Generator Double Cylinder Engine Model

Sale price$44.99 Regular price$49.99
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Description

Stirling Engine Kit STEM Hot Air Stirling Engine Generator Double Cylinder Engine ModelStirling Engine Kit STEM Hot Air Stirling Engine Generator Double Cylinder Engine Model A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas, the working fluid, at different temperature levels such that there is a net conversion of heat energy to mechanical work. The engine is like a steam engine in that all of the engine's heat flows in and out through the engine wall. Engine principle is intuitive,

 

Stirling Engine Kit STEM Hot Air Stirling Engine Generator Double Cylinder Engine Model

  • A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas, the working fluid, at different temperature levels such that there is a net conversion of heat energy to mechanical work.The engine is like a steam engine in that all of the engine's heat flows in and out through the engine wall.
  • Engine principle is intuitive, educational toys. Exquisite workmanship made, high grade quality, good for gift presentation as well powerful, ready to run, good for physics teaching demonstration.
  • It can effectively cultivate children's interest in learning can also be used for teaching purpose, more intuitive and easy to understand. This engine is perfectly for kids over 12 years old.
  • The engine model on the horizontal position by hand toggle the flywheel to see if smooth, if there is a strong sense of raw astringent, check the connection rod is normal, whether the cylinder oil and dust, and if so, please use toilet paper to erase Not smooth. Toggle the flywheel feel pressure rebound within the cylinder body is a normal phenomenon, the cylinder is sealed.
  • Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two-thirds.
  • where to buy the light bulb: https://www.stirlingkit.com/products/5v-5w-led-bulb-replacement-bulb-with-wiring-and-clamp-for-stirling-generator-random-color?_pos=1&_sid=4525e4c1c&_ss=r

Description:
Brand New and High Quality.
Specifications:
Material: Iron + Glass
Color: Gold
Size: 160mm/6.3'' x 90mm/3.54'' x 125mm/4.92''
Type: Double Cylinders
 

Instructions:
* The packing bag of alcohol lamp cotton wear into the metal cap lamp.
* Alcohol lamp to the alcohol lamp, at the premise of ensuring safety, ignite the alcohol lamp about 2 minutes after the flywheel, until the flywheel automatic operation so far, the whole process of heating, hands may not touch.
 Warning:
* Please adopt 95% to highgrade alcohol to be the fuel to make sure the air tank can get more temperature, and drive the stirling engine. Please do not full fill the alcohol.
* After the alcohol lamp burn for about 2 minutes, please stir the Flywheel.
* Do not rotate the piston too tightly, otherwise the glass will broken, if the piston is cracked, can be bonded with glue.
* The lamp core of the alcohol lamp cannot touch the heating cylinder.
* The connecting rod and crankshaft should not be too tightly, otherwise it will not work.
* Prohibit to add any oil or water to the heating cylinder or the power cylinder.Because the oil or water will mix with dust in the air, and become a oil-dirt, finally make the friction to be even bigger. The stirling engine can't run freely.
* Children accompanied by adults and parents to play. Please do not touch the cylinder after heated.

Package Include: 
A Set of the Stirling Engine Model

Shipping Notes
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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]
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SKU: 87323837562

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Gary Hugo
Cuba, US
★★★★★ 4
Definitely not indestructable
Size: Medium/Large, Color: Dog Ness Monster - Large, Size: Medium/Large, Color: Dog Ness Monster - Large
I have a 1-year-old toy fox terrier (Rocky, pictured). He has been chewing on this toy for seven months now; it is one of his favorites. He has been unable to seriously damage the "ocean" portion of this toy, but as you can see from the provided image, the sea serpent has not faired that well. It is missing its snout and smaller portions of the humps. My guess is that the advertiser images showing much larger dogs with "like new" versions of the toy are just that...NEW AND UNCHEWED. I have not had to clean up bits of this toy from my floor, so I assume Rocky has been swallowing them. My hope is that the yellow material of the serpent is not chemically dangerous when exposed to digestive fluids. Rocky easily destroys plush toys in a matter of days if not hours and, consumed pieces of a small microfiber blanket that he liked to toss around and play tug-of-war with (past tense as he destroyed it and has since been trashed after I began finding feces-stained undigested pieces of it lying around). Since this toy has survived seven months and has remained recognizable, I have to agree it is durable. Just beware, if my small toy fox terrier can damage the toy as pictured, expect your large breed chewer to do similar or worse damage. Also, the toy is very heavy! When Rocky drops it down a flight of stairs, it makes a MAJOR thud at the bottom, and sometimes makes me wonder if it might crack the large tile at the bottom. I cautiously recommend the product. Note the yellow frisbee in Rocky's picture. It is only a few months old and surprisingly has not suffered any chew damage despite substantial abuse. It appears to bend in the wind like a proverbial reed, evading damage by yielding to pressure.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 5, 2024
E
Verified Purchase
Elaina rice
Dallas, US
★★★★★ 5
Dog loves it! For tough chewers for sure
Size: Medium/Large, Color: Dog Ness Monster - Large, Size: Medium/Large, Color: Dog Ness Monster - Large
Dog absolutely loves it, he’s super rough on all of his toys they usually last about 10 minutes bore they are torn to shreds. It’s lasting through his chewing so I’m happy. It’s also super cute.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
M
Verified Purchase
miriana
Houston, US
★★★★★ 5
Loch Yes
Size: Medium/Large, Color: Dog Ness Monster - Large, Size: Medium/Large, Color: Dog Ness Monster - Large
Cute toy, dog really likes it. I had my doubts when I pulled it out, and honestly so did she, but the soft part bounces, so that got her going. We've had it for about a week. My dog is ~70 lbs and a moderate chewer, and this monster still gets regular play and is holding up well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
Z
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zee
Whiting, US
★★★★★ 5
Great toys for aggressive chewers
Size: Medium/Large, Color: Turkey Day Drumstick - Large
These are great toys they last a while they are destroyed after a while but both dogs are aggressive chewers but they last about a year and a half. And they are go to toys they have one that is a shark mouth and they love it I have bought 4. (two of them the pups lost ).
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Reviewed in the United States on December 20, 2025
A
Verified Purchase
Anjelica
Massapequa, US
★★★★★ 4
Durable and Fun, Just Gets a Bit Rough
Size: Medium/Large, Color: Chopper - Large
This is a really good toy overall, especially if you have dogs that love to chew. My dogs were immediately into it—they play with it nonstop, toss it around, and stay entertained for a while, which I love. It definitely holds up better than most toys we’ve tried. The only reason I’m giving it 4 stars instead of 5 is because over time it does start to fray a bit and gets a little rough, especially with heavy chewing. It’s not completely indestructible, but it still lasts longer than a lot of other toys. Overall, still a great buy and I would recommend it if your dogs need something tough but fun!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026

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