--- product_id: 2112333 title: "Sunnytech Hot Air Stirling Engine Colourful LED Single Flywheel Education Toy Electricity Power Generator M14-03-S" brand: "sunnytech" price: "€ 139.58" currency: EUR in_stock: true reviews_count: 9 category: "Sunnytech" url: https://www.desertcart.gr/products/2112333-sunnytech-hot-air-stirling-engine-colourful-led-single-flywheel-education store_origin: GR region: Greece --- # Colorful LED powered by generated electricity Runs on 95% alcohol heat Precision-machined stainless steel & aluminum parts Sunnytech Hot Air Stirling Engine Colourful LED Single Flywheel Education Toy Electricity Power Generator M14-03-S **Brand:** sunnytech **Price:** € 139.58 **Availability:** ✅ In Stock ## Summary > 🔥💡 Power up your passion for science with a splash of color! ## Quick Answers - **What is this?** Sunnytech Hot Air Stirling Engine Colourful LED Single Flywheel Education Toy Electricity Power Generator M14-03-S by sunnytech - **How much does it cost?** € 139.58 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/2112333-sunnytech-hot-air-stirling-engine-colourful-led-single-flywheel-education) ## Best For - sunnytech enthusiasts ## Why This Product - Trusted sunnytech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Vibrant LED Light Show:** Experience a dynamic spectrum of colors as the engine’s electricity powers a captivating LED display. - • **The Ultimate Gift for Innovators:** Packaged elegantly and ideal for students, educators, and curious minds eager to explore physics in action. - • **Crafted for Durability and Elegance:** Premium Russian pine base and finely milled metal components ensure long-lasting performance and a sleek aesthetic. - • **Effortless Operation, Endless Learning:** Simple to start and runs continuously for over 8 hours, perfect for hands-on STEM education and demonstrations. - • **Ignite Curiosity with Heat-Powered Motion:** Watch the Stirling engine come alive with just a flame and fuel, turning heat into mesmerizing mechanical energy. ## Overview The Sunnytech Hot Air Stirling Engine is a precision-engineered educational toy that converts heat from 95% alcohol fuel into mechanical motion and electricity, powering a colorful LED. Built with high-quality Russian pine and durable metal components, it offers over 8 hours of continuous operation, making it an ideal hands-on tool for physics learning, classroom demos, and inspiring STEM enthusiasts. ## Description Product description This is an interesting model toys, this stirling engine mode uses the heat by alcohol lamp to generate electric. The electric will light the led light to emit different colors. It is a great opportunity for you to investigate how stirling engine works. It can inspire your curiosity and creativity. To be admired and to be talked more from your friends if you have this magic stuff. ATTRACTIVE COLOURFUL LED WITH MOTOR INSTALLED The stirling engine equipped with a colorful LED. Because of the heat from high-grade alcohol, the engine will run madly and create the electricity. The power will go through the wire and drive the led light to emit different colors. It's really interesting and imaginative toy. EASY OPERATION & LONG LASTING Fill the alcohol burner with your 95% alcohol (we recommend this fuel) and light it. Let the light burn the round ended cylinder for about 20 seconds, then give the wheel a gently push, it will run like a charm. It can run for 8+ hours continuous without any broken which test by one customer. EXTREMLY WELL-MADE The board is made of Russian pine, using fine grinding manufacturing; Stent using mold steel manufacturing, solid and firm; Flywheel, ventilation pistons, aluminum fine cars, fine milling, texture and beauty double combination; Rod made of stainless steel manufacturing; Dynamic link sets of aluminum alloy cylinder, power cylinder and the power piston is SUJ2 material fine grinding surface of special treatment, high hardness. Do not wear high-speed ultra-long-running. Spare parts offer available.If need any parts replacement. STRONG PACKING Glass tube is packaged separately with bubble bag to avoid damage during shipment. Easy to take off the package and put it back to the place. Wood base is bare and left unpainted. You can fly your imagination and stain it the color you prefer yourself or with students, friends. CONVENIENT CARRYING it's proven to be a conversation starter to impress your visitors. It’s a cool piece of art even just stands on your desk.This stirling engine designed reasonable and compact. You can bring it home, school office with convenient in your bag. PRIORITY GIFT OPTION FOR MANY APPLICATIONS Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for students' science project, Physical/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents,students, etc. Many of our customers come from school, colleague, etc. FEATURES 1.Model: M14-03-S 2.Speed:1300 to 1500 RPM 3.Weight: 480g / 17.74oz 4.Size: 205X100X90mm / 8.07 in* 3.93 in* 3.54in 5.Technical parameters: flywheel diameter 54mm; driving wheel 24mm; power cylinder inner diameter 14mm; piston path 16.0mm; cylinder inner diameter 19.0mm PACKING LIST *Engine x1 *Lamp x1 *Wick x2 IMPORTANT 1.Please adopt 95% high-grade alcohol to be the fuel to make sure the air tank can get more temperature and drive the stirling engine. 2.Please pay attention the temperature of candle's light is not powerful enough for this toy, Review: Better than a steam engine! - I ordered one of these Stirling Engines when they showed up on the Gold Box deal, without knowing much about Stirling engines at all. It's been an enjoyable education. First off, the item arrived promptly and well-packaged, looking exactly as shown in the listing. It came with two of the glass tubes for the heating cylinder, the alcohol burner, two wicks, and an extra set of O-rings for the heating tube seal. It took longer to unwrap the glass tube than it did to attach it to the engine, and the machine was ready for use. I picked up a can of 95% Denatured Alcohol from Home Depot (available in the paint department) and fueled up the burner. My first attempt to run the engine was outside, revealing one potential issue with the design. Any bit of air movement tends to push the flame away from the heating tube, and will inhibit the engine from running properly. When I attempted it again indoors with the cooler and ceiling fans off, the flame stayed on the glass tube and the engine ran flawlessly. I did find that it will pick up a bit more speed if I hold the board down to the table, and not allow it to vibrate. Doing so puts all the engine force into turning the flywheel, and none of the energy is lost shaking the board. If you have problems with air currents when trying to run this engine, you can make a simple wind screen out of heavy aluminum foil. I cut a rectangle of foil slightly longer than twice the length of the heating tube side and wide enough that, when the foil is folder into a 'U' shape, it can go around the alcohol burner and heat tube, extending higher than the tube sits. I bent the two upper corners towards each other and stapled them to form a basic wind screen/chimney, and this keeps the flame concentrated on the heating tube. There's a nice video on Youtube explaining the concept of the Stirling Engine. This model is kind of between the Alpha configuration and the Beta. In the Beta shown in the video, the engine uses a single cylinder with a power piston and the scavenging piston. This model uses two cylinders, with one serving as the power cylinder and the other serving as the scavenging, but the principle remains the same. Considering the original Stirling design is nearly 200 years old now, it's pretty impressive that it's still one of the most efficient engine designs available. If you're looking for a fascinating toy with a certain nostalgic feel, or a terrific prop for a Steampunk display, or just looking for a spark of education, consider picking up a Stirling engine. They're fascinating devices. Youtube video on Stirling engine theory: https://www.youtube.com/watch?v=gQb2sN6UWkA Review: Excellent little engine for the price. Mine worked perfectly. Vibrates. Great for technology demo. - Amazing little gadget. The engine was well packed in bubble wrap and tape. Too much tape, but OK. There were instructions, written by someone whose third language was Klingon and maybe English was their fifth language. But they could be comprehended, and they really were not needed. The engine was completely assembled, except that (1) the glass hot cylinder was not installed. There is a spare. (2) the wick was not installed in the Alcohol lamp. I installed the wick (it helped to wet it with alcohol and rub it to a point) then put 70% isopropal alcohol into the bottle, lit it, and in under a minute. it was working. It ran for about 10 minutes and then ran out of alcohol. There was plenty of power to run the generator, and to shake the thing. That was the only issue with the thing, it vibrated enough to walk around and around. I had to hold it to keep it from walking on to the floor. I needed to check something, so I had to carry it. Walking around cooled the hot cylinder too much. Soon as I put it down it started running again. For the price I am completely satisfied with this item. I am amazed that the air can actually heat up and cool that quickly, but obviously it can. I am somewhat surprised at the power of the air heating and cooling. This is physics that you can touch. I hope my grandkids get it. The box contained: 1. The Engine assembled and mounted on the piece of wood. It was attached to the generator. 2. Spare O-rings. There were two spares, and the seal is 3 o-rings. 3. two glass hot cylinders, one is a spare. 4. The tiny alcohol lamp. Separate wick, Separate cork. ## Features - ATTRACTIVE COLOURFUL LED WITH MOTOR INSTALLED-----The stirling engine equipped with a colorful LED. Because of the heat from high-grade alcohol, the engine will run madly and create the electricity. The power will go through the wire and drive the led light to emit different colors. It's really interesting and imaginative toy. - EXTREMLY WELL-MADE----The board is made of Russian pine, using fine grinding manufacturing; Stent using mold steel manufacturing, solid and firm; Flywheel, ventilation pistons, aluminum fine cars, fine milling, texture and beauty double combination; Rod made of stainless steel manufacturing; Dynamic link sets of aluminum alloy cylinder, power cylinder and the power piston is SUJ2 material fine grinding surface of special treatment, high hardness. Do not wear high-speed ultra-long-running. - EASY OPERATION & LONG LASTING----Fill the alcohol burner with your 95% alcohol (we recommend this fuel) and light it. Let the light burn the round ended cylinder for about 20 seconds, then give the wheel a gently push, it will run like a charm. It can run for 8+ hours continuous without any broken which test by one customer. - STRONG PACKING----Glass tube is packaged separately with bubble bag to avoid damage during shipment. Easy to take off the package and put it back to the place. Wood base is bare and left unpainted. You can fly your imagination and stain it the color you prefer yourself or with students, friends. - PRIORITY GIFT OPTION FOR MANY APPLICATIONS----It is an amazing and fantastic product at this price. Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for student's science project, Physical/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents, students, etc. Many of our customers come from school, colleague, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00DS1NLXQ | | Age Range Description | Youth | | Battery Description | Alkaline | | Best Sellers Rank | #276,292 in Toys & Games ( See Top 100 in Toys & Games ) #2,610 in Educational Science Kits | | Brand Name | Sunnytech | | Customer Reviews | 4.5 out of 5 stars 425 Reviews | | Educational Objective | Creative Skills, Imagination Development | | Included Components | 1 | | Is Assembly Required | No | | Item Dimensions | 8.2 x 5.6 x 4.5 inches | | Item Weight | 1.6 Pounds | | Manufacturer | Sunnytech | | Manufacturer Maximum Age (MONTHS) | 840.00 | | Manufacturer Minimum Age (MONTHS) | 192.00 | | Manufacturer Part Number | M14-03-S | | Material Type | Metal | | Size | 205X100X90mm | | Theme | Physics | | UPC | 609226907478 | ## Images ![Sunnytech Hot Air Stirling Engine Colourful LED Single Flywheel Education Toy Electricity Power Generator M14-03-S - Image 1](https://m.media-amazon.com/images/I/61g4hcBvPNL.jpg) ![Sunnytech Hot Air Stirling Engine Colourful LED Single Flywheel Education Toy Electricity Power Generator M14-03-S - Image 2](https://m.media-amazon.com/images/I/71wCZTFDmLL.jpg) ![Sunnytech Hot Air Stirling Engine Colourful LED Single Flywheel Education Toy Electricity Power Generator M14-03-S - Image 3](https://m.media-amazon.com/images/I/61cUtBAppcL.jpg) ![Sunnytech Hot Air Stirling Engine Colourful LED Single Flywheel Education Toy Electricity Power Generator M14-03-S - Image 4](https://m.media-amazon.com/images/I/81ITdheztQL.jpg) ![Sunnytech Hot Air Stirling Engine Colourful LED Single Flywheel Education Toy Electricity Power Generator M14-03-S - Image 5](https://m.media-amazon.com/images/I/71mTalBME7L.jpg) ## Questions & Answers **Q: Where can I buy a replacement glass tube for a M13-03-S stirling engine?** A: I could never find parts. I bought a second one just for the.parts. Have used the fuel jar and glass tubes from it. **Q: I just got mine... The glass tube is packed seperately... There are no instructions on how to install it... Can anyone help?** A: Just carefully push it over the piston. **Q: Does it come assembled?** A: Yes, it comes assembled. Alcohol not included **Q: We broke the glass capsule by dropping it on the floor. How can we order a replacement?** A: I never could find replacement parts for mine. I ended up getting a second one. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Better than a steam engine! *by R***N on June 21, 2015* I ordered one of these Stirling Engines when they showed up on the Gold Box deal, without knowing much about Stirling engines at all. It's been an enjoyable education. First off, the item arrived promptly and well-packaged, looking exactly as shown in the listing. It came with two of the glass tubes for the heating cylinder, the alcohol burner, two wicks, and an extra set of O-rings for the heating tube seal. It took longer to unwrap the glass tube than it did to attach it to the engine, and the machine was ready for use. I picked up a can of 95% Denatured Alcohol from Home Depot (available in the paint department) and fueled up the burner. My first attempt to run the engine was outside, revealing one potential issue with the design. Any bit of air movement tends to push the flame away from the heating tube, and will inhibit the engine from running properly. When I attempted it again indoors with the cooler and ceiling fans off, the flame stayed on the glass tube and the engine ran flawlessly. I did find that it will pick up a bit more speed if I hold the board down to the table, and not allow it to vibrate. Doing so puts all the engine force into turning the flywheel, and none of the energy is lost shaking the board. If you have problems with air currents when trying to run this engine, you can make a simple wind screen out of heavy aluminum foil. I cut a rectangle of foil slightly longer than twice the length of the heating tube side and wide enough that, when the foil is folder into a 'U' shape, it can go around the alcohol burner and heat tube, extending higher than the tube sits. I bent the two upper corners towards each other and stapled them to form a basic wind screen/chimney, and this keeps the flame concentrated on the heating tube. There's a nice video on Youtube explaining the concept of the Stirling Engine. This model is kind of between the Alpha configuration and the Beta. In the Beta shown in the video, the engine uses a single cylinder with a power piston and the scavenging piston. This model uses two cylinders, with one serving as the power cylinder and the other serving as the scavenging, but the principle remains the same. Considering the original Stirling design is nearly 200 years old now, it's pretty impressive that it's still one of the most efficient engine designs available. If you're looking for a fascinating toy with a certain nostalgic feel, or a terrific prop for a Steampunk display, or just looking for a spark of education, consider picking up a Stirling engine. They're fascinating devices. Youtube video on Stirling engine theory: https://www.youtube.com/watch?v=gQb2sN6UWkA ### ⭐⭐⭐⭐⭐ Excellent little engine for the price. Mine worked perfectly. Vibrates. Great for technology demo. *by N***H on June 12, 2017* Amazing little gadget. The engine was well packed in bubble wrap and tape. Too much tape, but OK. There were instructions, written by someone whose third language was Klingon and maybe English was their fifth language. But they could be comprehended, and they really were not needed. The engine was completely assembled, except that (1) the glass hot cylinder was not installed. There is a spare. (2) the wick was not installed in the Alcohol lamp. I installed the wick (it helped to wet it with alcohol and rub it to a point) then put 70% isopropal alcohol into the bottle, lit it, and in under a minute. it was working. It ran for about 10 minutes and then ran out of alcohol. There was plenty of power to run the generator, and to shake the thing. That was the only issue with the thing, it vibrated enough to walk around and around. I had to hold it to keep it from walking on to the floor. I needed to check something, so I had to carry it. Walking around cooled the hot cylinder too much. Soon as I put it down it started running again. For the price I am completely satisfied with this item. I am amazed that the air can actually heat up and cool that quickly, but obviously it can. I am somewhat surprised at the power of the air heating and cooling. This is physics that you can touch. I hope my grandkids get it. The box contained: 1. The Engine assembled and mounted on the piece of wood. It was attached to the generator. 2. Spare O-rings. There were two spares, and the seal is 3 o-rings. 3. two glass hot cylinders, one is a spare. 4. The tiny alcohol lamp. Separate wick, Separate cork. ### ⭐⭐⭐⭐⭐ A fantastic desk toy for someone that appreciates engines *by P***K on April 10, 2024* This is a fantastic desk toy. The parts are, I believe, machined aluminum and it's built well. The only complaint I have with it is that the feet are smooth metal and so when the engine is at full tilt, the thing moves around on my desk and there were was some metal on metal squeaking. So I decided to fix it. To prevent the toy from moving around on my desk, I picked up rubber feet. Not only did it stop the engine from moving but it also stopped metal feet from rattling against my desk. Then to prevent the squeaking, I picked up some white model grease, greased the rods, and the flywheel surface where the linkages connect to the wheel, then promptly wiped up the excess. The engine runs beautifully now. Recommendation to the manufacture: please provide rubber feet and a small thing of grease in the package with instructions where to apply both. For customers: I ran the engine on 70% isopropyl alcohol and then with 99%. Both ran the engine perfectly but the 99% left a ton of soot while the 70% didn't. Your results may vary. Note: The video shown is prior to my fixes and it is also running on 70% isopropyl alcohol. ## Frequently Bought Together - Sunnytech Hot Air Stirling Engine Colourful LED Single Flywheel Education Toy Electricity Power Generator M14-03-S - Sunnytech Low Temperature Stirling Engine Motor Steam Heat Education Model Toy Kit For mechanical skills (LT001) - Sunnytech Hot Air Stirling Engine Motor Model Imagination Development Educational Toy Electricity Generator Colorful LED SC (SC02M) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/2112333-sunnytech-hot-air-stirling-engine-colourful-led-single-flywheel-education](https://www.desertcart.gr/products/2112333-sunnytech-hot-air-stirling-engine-colourful-led-single-flywheel-education) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-05-31*