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Description
Stirling Engine Model Kit Single Cylinder Balance Science Experiment Kit with All-metal BaseSingle Cylinder Balance Stirling Engine Model Science Experiment Kit with All metal Base Features: . Exquisite Appearence: Fine polished model feels smooth and comfortable, full of metallic and modern, achieve a combination of texture and beauty, highlighting the exquisite workmanship. All metal gold flywheel and golden base are bright and full of luxury . Rish Configuration: In addition to the finished engine and alcohol lamps, there are also spare
Single Cylinder Balance Stirling Engine Model Science Experiment Kit with All-metal BaseFeatures:
.Exquisite Appearence: Fine polished model feels smooth and comfortable, full of metallic and modern, achieve a combination of texture and beauty, highlighting the exquisite workmanship. All-metal gold flywheel and golden base are bright and full of luxury
.Rish Configuration: In addition to the finished engine and alcohol lamps, there are also spare devices: a metal hot cylinder, two glass hot cylinders, a heating piston, two small lights, a belt, two sealing rings
.Excellent Performance: Made of Glass material, high speed and long time running without wear. The inside of the piston is solid
.Reasonable Design: Magnetic positioning alcohol lamp; Engine base with shockproof pad so that the engine is more stable in operation;
.Operating Principles and Methods: Stirling engines are powered by gases that expand when heated and contract when cooled. Use 95% alcohol in the operation（not included), can not add water, kerosene, gasoline, lighter oil, white wine. Put the engine model on the horizontal position, next take out the alcohol lamp, add about 2/3 alcohol into the alcohol lamp, under the premise of ensuring safety, ignite the alcohol lamp, you can gently power the flywheel rotation, the engine would work, finally light the small lamp
.Operational Meaning: Operating by yourself, we can observe the operation process of the whole engine, understand the principle of Stirling engine more intuitively, and deepen our interest in physics.
.For Age: Suitable for people over 14 years old.
.Precautions: The piston must be rotated to let it in or it is easy to break; The rubber ring can't stick too tightly. When heating, the cotton core shall not touch the heating cylinder; Be careful not to get hot during operation
Specifications:
.Color: As Shown
.Material: Metal + Glass
.Product Size: 16 x 8.8 x 11 cm
.Product Weight: 435g
.Package Dimensions: 19.5 x 11 x 13.5 cm
.Package Weight: 460g
.Packing: Box
Package Content:
.1Set x Stirling Engine Model
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Exchange/Return Notes
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4.4 ★★★★★
Based on 204 reviews
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Product Reviews
★★★★★ 2
This Bites
Size: Large, Size: Large
We've happily used OxyFresh pet water additive for probably around 15 years. I love that product, so I figured their toys would be great too. Not so much. The concept seems good. This does feel like a heavy duty rubber and it feels like a sturdy construction, but in actuality, it did not hold up. Without a goal like food in it, my two dogs had 0 interest in this. It says you can put a treat in it. I wrestled to put a piece of kibble in the jaws of this toy, but that was tough and there isn't much room in there. That did pique their interest. Both my boys are about 50 lbs. One is a heavy chewer and the other is pretty gentle mouthed with toys. BOTH dogs were taking chunks out of this immediately. I must say that I'm really disappointed. If the rubber held up, this is a fantastic concept and seemed like it would work very well to clean teeth. Unfortunately for us, this was an expensive toy that began to fail within about 15 minutes of what seemed to be very average use. We'll be continuing to use a toothbrush instead.
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Reviewed in the United States on June 15, 2025
★★★★★ 5
Durable
This is a great toy! I have a heavy chewer that destroys other toys in seconds. I have had this for 6 months and it still looks new.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Indestructible for heavy chewers!!
One of the rare toys my boys can’t destroy! Cost effective! Definitely recommend!
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Durable and dog loves it
I was searching for a squeaky toy but also a chew toy that wouldn’t break my dog’s teeth. We’ve already had to have one tooth pulled because our Jurassic Corgi girl cracked it on either a bone or a yak chew. She loves to play with this bone and chew on it and it has held up well. It still looks like new after several months and she plays with it daily.
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Reviewed in the United States on February 21, 2026
★★★★★ 5
Famous Squeaky toy. Good for puppies.
My dog’s favorite. However, He takes them outside when going to relieve himself. Forgets to bring back.
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Reviewed in the United States on January 9, 2026