---
product_id: 2112333
title: "Sunnytech Hot Air Stirling Engine Colourful LED Single Flywheel Education Toy Electricity Power Generator M14-03-S"
brand: "sunnytech"
price: "€ 126.95"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.sk/products/2112333-sunnytech-hot-air-stirling-engine-colourful-led-single-flywheel-education
store_origin: SK
region: Slovakia
---

# 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:** € 126.95
**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?** € 126.95 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/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

Full description not available

## 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 |
|---------------|-------|
| Theme | Physics |
| Item Dimensions | 8.2 x 5.6 x 4.5 inches |
| Item Weight | 1.6 Pounds |
| Size Name | 205X100X90mm |

## 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)

## 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

### ⭐⭐⭐⭐⭐ A fantastic desk toy for someone that appreciates engines
*by P***K on April 10, 2024*

The media could not be loaded. 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.

### ⭐⭐⭐⭐ Very good sterling engine.
*by A***  on February 2, 2025*

Very good for learning, its also fun to watch running. Though out of the box I'd recommend either greasing up or oiling the rods up because they like to bind sometimes.

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-31*