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Description
Low Temperature Stirling Engine Kit Model Physics Experiment ModelFeatures: . The body is made of one piece aluminum alloy material, which is sturdy and durable. It has an aluminum alloy base to reduce air leakage, higher precision, smooth use, worry free and durable, and the texture and appearance are superior. After assembly, the flywheel is not easy to deflect, and the integrated flywheel can not run. Bias phenomenon . Easy to assemble, even novices know how to assemble, reducing the failure rate and increasing
Features:.The body is made of one-piece aluminum alloy material, which is sturdy and durable. It has an aluminum alloy base to reduce air leakage, higher precision, smooth use, worry-free and durable, and the texture and appearance are superior. After assembly, the flywheel is not easy to deflect, and the integrated flywheel can not run. Bias phenomenon
.Easy to assemble, even novices know how to assemble, reducing the failure rate and increasing stability
.Instructions for use: The base of the machine is made of aluminum alloy. The base is 10 cm in diameter. The cup (the diameter of the cup is less than or equal to 10 cm, so that Sterling does not fall) is filled with hot water (the water temperature can't be lower than 65 degrees, the machine base) At least 50 degrees to run), the hot water level is close to the mouth of the cup, which will make the Stirling base heat faster. Preheating for about 1 minute, turn the flywheel by hand, the machine can run by itself
.Note: It is forbidden to bake for a short time and it can be operated. Long time, poor temperature control will cause the rubber between the base and the fuselage to leak. It can not be soaked in hot water. It will also cause the rubber to leak out. The heat source cannot be iron cobalt nickel because the magnet in the middle of the sponge piston is magnetic. The material will suck and cause the machine to not turn
.The product is suitable for people over 8 years old. Under 13 years old, it needs to be used under the supervision of adults.
Specifications:
.Color: As Shown
.Material: Aluminum Alloy + Acrylic + Graphite + Sponge + Brass + Stainless Steel
.Product Dimensions: 16*16*16cm
.Product Weight: 195g
.Package Dimensions: 10*10*11.5cm
.Package Weight: 250g
.Packing: Carton
Package Content:
.1 x Stirling Engine Model Toy
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Exchange/Return Notes
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4.8 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Bonito Timex
Color: Green/Green
Bueno, bonito y barato.
El envío super rápido, 7 días. Perú 🇵🇪.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
It's a Solar timex.
Color: Green/Green
It's Solar. Light weight. Probably won't need a battery change for a long time. Takes a Lickin keeps on tickin.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Amazing solar
Color: Green/Green
You will love it
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Reviewed in the United States on April 21, 2026
★★★★★ 3
Feels cheap, not good for old eyes.
The watch seemed to work good. But it felt cheap, and I was looking for something with better illumination and easier to read. I ended up returning it.
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Reviewed in the United States on October 3, 2025
★★★★★ 5
Takes a Licking and Keeps on Ticking
Color: Green/Black
I love this watch despite the fact that it is really a toy. I love the look of the watch, I love how lite the weight of the watch is on my wrist, and it really does keep good time if you manage the solar charge properly. Other than looking cool on your wrist, this watch has absolutely no functions other than time keeping. The black plastic bezel is molded into the case and does not turn, so don't plan on using that. The watch has no light, the dial numbers are non-luminous and the hands are very limited in terms of luminosity. No buttons. All you can do is adjust the time and date by pulling out what used to be a winding stem in the good old days.
The small tag on the strap with Geographic coordinates shown on it indicate the location of the old Timex manufacturing facility (SW of Waterbury, CT).
I have a nice ledge at my bedroom window and it gets good western sun for a good part of the day regardless of the time of year. On this ledge you will find a half dozen solar powered watches (mostly Casio) properly aligned to maximize the charge they may receive each day. Note that the description for this Timex watch specifically states that a lightbulb won't charge this watch. You need direct sunlight for several hours if you want to get more than a 3-week charge into this watch.
So, I'll leave you with a couple of tips, my friends; 1.) If you are looking for a first watch to give your outdoorsy oriented Son or Daughter, then give them this one. Why? Because it is cool looking, fairly well built, and it actually works, 2.) After you receive your Timex watch, be sure to keep the display mount it is packaged with. It makes a great fixture to mount your watch on for charging and allows you to maximize the position of the solar cells on the dial so that you can optimize charging time.
Have Fun!
Jimmy
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Reviewed in the United States on February 28, 2026