---
product_id: 264012280
title: "Sunnytech Mini Hot Air Stirling Engine Kit - Physics Science Kit for Kids - Educational Toy"
brand: "sunnytech"
price: "$2936"
currency: MXN
in_stock: true
reviews_count: 5
category: "Sunnytech"
url: https://www.desertcart.mx/products/264012280-sunnytech-mini-hot-air-stirling-engine-kit-physics-science-kit
store_origin: MX
region: Mexico
---

# Single flywheel for smooth, mesmerizing motion Alcohol lamp-powered hot air engine Precision-machined stainless steel build Sunnytech Mini Hot Air Stirling Engine Kit - Physics Science Kit for Kids - Educational Toy

**Brand:** sunnytech
**Price:** $2936
**Availability:** ✅ In Stock

## Summary

> ⚙️ Ignite curiosity with every spin — the mini engine that powers big ideas!

## Quick Answers

- **What is this?** Sunnytech Mini Hot Air Stirling Engine Kit - Physics Science Kit for Kids - Educational Toy by sunnytech
- **How much does it cost?** $2936 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/264012280-sunnytech-mini-hot-air-stirling-engine-kit-physics-science-kit)

## 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

- • **Gift-Worthy Science:** A sleek, silver-toned collectible that doubles as a conversation starter and a unique gift for friends, family, or colleagues.
- • **Compact Yet Captivating:** At just 100x45x50mm, this mini marvel fits perfectly on your desk, sparking curiosity and conversation.
- • **Educational & Entertaining:** Ideal for professionals and curious minds alike, it’s a hands-on tool to deepen logical thinking and mechanical understanding.
- • **Vibration-Resistant Design:** Innovative magnetic base secures the alcohol lamp, ensuring steady operation and preventing drops during high-speed spins.
- • **Engineered for Mechanical Mastery:** Experience the elegance of a fully assembled Stirling engine that runs on clean, alcohol-fueled heat—no batteries needed.

## Overview

The Sunnytech Mini Hot Air Stirling Engine Kit is a precision-crafted, fully assembled educational toy powered by an alcohol lamp. Featuring a stainless steel and zinc alloy construction with a single flywheel, it offers a compact, vibration-resistant design perfect for teaching logical thinking and mechanical principles. Battery-free and ready to run, it’s a captivating desktop gadget and an ideal gift for science enthusiasts aged 13 and up.

## Description

We're so confident that you'll agree our model is very good.

Review: Built far more solid than it appears. We added some washers to reduce vibration which sped up the engine. Great toy, my husband plays with it constantly and his friends and family love playing with it too regardless of age.
Review: This thing is amazing! First off, it came packaged in 3 boxes. A fairly large box with air packets for cushioning, then there was a smaller box with yet a third smaller box within it! I did notice all Oriental (Chinese per chance?) writing on all of the boxes, but the very small engine was found intact. I was a little concerned by the negative reviews I've read, but I am very pleased with the quality control on this item. There was also a slip of paper written in English with simple instructions inside the box. All the screws were in place, all the rods, linkages were intact, everything was tight and looked ready to go....... and (being a 62 yr. old kid) I simply had to fire it up immediately! I poured a little alcohol in the alcohol lamp, threaded the wick, placed it in position and lit it up. Within half a minute (the directions say 20 secs.) I gave the flywheel a spin and it took off like a champ. If you leave the flame in direct contact with the motor, it keeps gaining RPM until it could vibrate off of the table. I merely moved the lamp away a wee bit and it slowed down to a manageable speed. I, too had a problem with the magnet falling off of the alcohol lamp, so I put a drop of Gorilla glue on it and set the lamp on top and it is quite solid there this morning. I had some trouble with the wick working down inside of the lamp due to vibration. As the wick is made of several strands of string, I thought I could tie a simple knot in it to hold it in place. If I failed, I figured I could replace the string. This simple knot seems to work pretty good as the wick now stays in position better. It did shorten the wick somewhat, but it still seems to work pretty good. I can always replace it with a longer wick. I couldn't help myself, but I ran two full tanks of alcohol through the lamp just watching this thing run. It seems impossible that it could operate, yet it does! Back to the review...... It came with a small foam wrap that had two glass bulbs and two O-rings in it, When I first opened the third box, a very small nut fell onto the table. I couldn't find where one was missing on the engine, so I simply double-nutted it on one of the screws to keep it from getting lost. I assumed that it is also a spare part? Tighten with care as this is a very small nut/screw. The base measures 1-7/8" by 4" and the engine stands about 2" tall overall. It appears to be built pretty good for a toy, the fit and finish being very good on the machined parts. It has only one flywheel (the catalogue description claims "twin flywheels". The base is either stainless or nickel plated steel. The Stamped parts are well made of fairly thick steel (again, these too look stainless) with a brass 1/4" elbow for an engine housing! It looks to have glass cylinders with a metal piston on the hot (top) side and a plastic piston/cylinder on the cold side of the engine. The connecting rods have ingenious linkages to the crankshaft with keepers to hold them in place. The unit came fully assembled, all nuts/screws were tight, and the unit is pleasing to the eye. It seems that Sunny Tech got their quality control straightened out. To me, this is an amazing work of science at a very affordable price. I highly recommend it to anyone with a mechanical aptitude. -------> I'll be quiet now. ;-)

## Features

- Mini Hot Air Stirling Engine,Single FLYWHEEL
- Size - 100X45X50MM. please contact stirlingtechonline if your package doesn't come with manual
- A special mini magnet stick in the bottom of alcohol lamp bottle, it make the bottle can attached to the stirling board and avoid drop by vibration during stirling working
- It is a amazing and fantastic product at this price,it can be a great gift to your families or friends. It also can be used for teaching purpose.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00HGSG7V0 |
| Assembly Required | No |
| Batteries Included? | No |
| Batteries Required? | No |
| Color | Silver |
| Customer Reviews | 4.3 4.3 out of 5 stars (483) |
| Date First Available | 6 March 2014 |
| Educational Objective(s) | Logical Thinking |
| Manufacturer recommended age | 13 years and up |
| Manufacturer reference | HA001 |
| Material Type(s) | Stainless Steel,Zinc Alloy |
| Number of Puzzle Pieces | 50 |
| Product Dimensions | 17.78 x 12.19 x 9.65 cm; 158.76 g |
| Scale | small |

## Product Details

- **Age range (description):** Youth
- **Brand:** Sunnytech
- **Item dimensions L x W x H:** 17.8 x 12.2 x 9.7 centimeters
- **Size:** 100x45x50 millimeter
- **Theme:** Science

## Images

![Sunnytech Mini Hot Air Stirling Engine Kit - Physics Science Kit for Kids - Educational Toy - Image 1](https://m.media-amazon.com/images/I/61mU6uqKskL.jpg)
![Sunnytech Mini Hot Air Stirling Engine Kit - Physics Science Kit for Kids - Educational Toy - Image 2](https://m.media-amazon.com/images/I/713e2ZkLxsL.jpg)
![Sunnytech Mini Hot Air Stirling Engine Kit - Physics Science Kit for Kids - Educational Toy - Image 3](https://m.media-amazon.com/images/I/71HtUpzct+L.jpg)
![Sunnytech Mini Hot Air Stirling Engine Kit - Physics Science Kit for Kids - Educational Toy - Image 4](https://m.media-amazon.com/images/I/71K6oEsbbZL.jpg)
![Sunnytech Mini Hot Air Stirling Engine Kit - Physics Science Kit for Kids - Educational Toy - Image 5](https://m.media-amazon.com/images/I/71oLXnWPcpL.jpg)

## Questions & Answers

**Q: can you build a small lamp powered fan with it**
A: This toy is actually quite tiny. It's only about 2"X 1.5".

**Q: can I buy spare glass tubes**
A: Need spare tubes with washers I bought this product and  had no spare parts glass and tubes. If you want me to be a customer need the parts soon.

**Q: For how long can the engine run after it starts?**
A: as long as it has fuel.with 90% isopropylic alcohol, it can run for about 7 min.with a small candle, about an hour, but carbon deposits will form on the glass.

**Q: How much of the assembly does one do oneself?**
A: It comes fully assembled, but will almost certainly need to be lubricated before use.  Putting a little 3-in-one oil on the moving parts and the piston made all the difference in the world!  Not sure if this is the best oil or not, but it has worked well for us.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by C***R on 4 July 2017*

Built far more solid than it appears. We added some washers to reduce vibration which sped up the engine. Great toy, my husband plays with it constantly and his friends and family love playing with it too regardless of age.

### ⭐⭐⭐⭐⭐ Review
*by O***E on 2 September 2015*

This thing is amazing! First off, it came packaged in 3 boxes. A fairly large box with air packets for cushioning, then there was a smaller box with yet a third smaller box within it! I did notice all Oriental (Chinese per chance?) writing on all of the boxes, but the very small engine was found intact. I was a little concerned by the negative reviews I've read, but I am very pleased with the quality control on this item. There was also a slip of paper written in English with simple instructions inside the box. All the screws were in place, all the rods, linkages were intact, everything was tight and looked ready to go....... and (being a 62 yr. old kid) I simply had to fire it up immediately! I poured a little alcohol in the alcohol lamp, threaded the wick, placed it in position and lit it up. Within half a minute (the directions say 20 secs.) I gave the flywheel a spin and it took off like a champ. If you leave the flame in direct contact with the motor, it keeps gaining RPM until it could vibrate off of the table. I merely moved the lamp away a wee bit and it slowed down to a manageable speed. I, too had a problem with the magnet falling off of the alcohol lamp, so I put a drop of Gorilla glue on it and set the lamp on top and it is quite solid there this morning. I had some trouble with the wick working down inside of the lamp due to vibration. As the wick is made of several strands of string, I thought I could tie a simple knot in it to hold it in place. If I failed, I figured I could replace the string. This simple knot seems to work pretty good as the wick now stays in position better. It did shorten the wick somewhat, but it still seems to work pretty good. I can always replace it with a longer wick. I couldn't help myself, but I ran two full tanks of alcohol through the lamp just watching this thing run. It seems impossible that it could operate, yet it does! Back to the review...... It came with a small foam wrap that had two glass bulbs and two O-rings in it, When I first opened the third box, a very small nut fell onto the table. I couldn't find where one was missing on the engine, so I simply double-nutted it on one of the screws to keep it from getting lost. I assumed that it is also a spare part? Tighten with care as this is a very small nut/screw. The base measures 1-7/8" by 4" and the engine stands about 2" tall overall. It appears to be built pretty good for a toy, the fit and finish being very good on the machined parts. It has only one flywheel (the catalogue description claims "twin flywheels". The base is either stainless or nickel plated steel. The Stamped parts are well made of fairly thick steel (again, these too look stainless) with a brass 1/4" elbow for an engine housing! It looks to have glass cylinders with a metal piston on the hot (top) side and a plastic piston/cylinder on the cold side of the engine. The connecting rods have ingenious linkages to the crankshaft with keepers to hold them in place. The unit came fully assembled, all nuts/screws were tight, and the unit is pleasing to the eye. It seems that Sunny Tech got their quality control straightened out. To me, this is an amazing work of science at a very affordable price. I highly recommend it to anyone with a mechanical aptitude. -------> I'll be quiet now. ;-)

### ⭐⭐⭐⭐⭐ Review
*by Z***N on 2 January 2017*

Took a month to arrive, but is good quality, and would recommend to others.

## Frequently Bought Together

- Sunnytech Mini Hot Air Stirling Engine Motor Model Educational Toy Kits Electricity HA001
- Sunnytech Low Temperature Stirling Engine Motor Steam Heat Education Model Toy Kit For mechanical skills (LT001)
- Sunnytech Mini Hot Live Steam Engine Model Education Toy DIY (BJ001)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-01-26*