Welcome to Stirlingkit.com! We offer stirling engines, internal combustion engines, RC engines, steam engines, tesla coil, engine model kits, and RC cars for modelers, collectors, teachers or simply those who are looking for a gift. Please don't hesitate to visit our website to start your journey into your micro engine model. We have worked with almost 100 Youtubers to review our products, and give them a chance to create it in their own style and give their honest opinion – it will make the review genuine, authentic, and reliable. Some of Our engine unboxing videos have over 1 million video views. Some YouTubers even review our engines in an unusual way, like build People are inspired by the fantastic work from the YouTubers' videos and begin their own engine projects .Enjoy your fun when the engine is running.
Written by the business, not verified by us.
Is Stirlingkit legit?
Stirlingkit (stirlingkit.com) has a 4.1 out of 5 rating on OK.one, based on 300 user reviews collected here. It is listed under Construction & Manufacturing and its reputation is good. 80% of reviews are 4 stars or higher and 15% are 1 star; The business has replied to 88% of negative reviews; Reviews mostly discuss Product, Customer service, Quality. Last updated 2026-10-25.
What reviewers say
AI generated
Reviewers overwhelmingly had a great experience with this company. Customers frequently praise the exceptional overall quality of the mechanical models and miniature engines, noting that items consistently arrive in good condition and function correctly. Consumers also value the incredibly helpful support team, appreciating their continuous dedication and remarkably fast response times when handling various technical inquiries.
However, some people mentioned experiencing significant difficulties with customer service, describing unhelpful interactions, prolonged delays, or slow communication during product troubleshooting. A few reviewers additionally noted receiving shipping packages containing items with missing accessories or broken internal parts that required subsequent replacements.
Auto-generated from all reviews of this business. For reference only.
No seal on the box. Box has sign's off being opened before. Disappointing as this feels secondhand. Just had a disgusting reply of "ENJOY" Im never coming back. Sarcastic
Reply from Stirlingkit2025-08-04
Thank you for taking the time to share your feedback—it’s deeply concerning to hear about your experience with the packaging of your order, and we sincerely apologize for the disappointment this has caused.
We take matters of product integrity very seriously, and the fact that your box arrived without a seal and showed signs of having been opened is completely unacceptable. This falls far below the standards we strive to uphold, and we want to assure you that we’re treating this as a priority.Alternatively, please contact our customer service: [email protected] and provide pictures. We will process it as soon as possible.
update 08-05：Have you contacted our customer service? It is impossible for this to happen if it has been opened. Please provide pictures and contact our customer service. Thank you
The single piston engine worked really well. It enabled me to construct my experiment with ease.
I didn't need the light bulb to do my experiment, but it didn't work anyway. I even tried it with batteries and it still didn't work.
The piston engine is so well designed that I will definately shop at StirlingKits again, and as soon as possible.
The delivery time was perfect, and the box arrived in perfect condition.
I have not received my package from stirling kit as yet
Order #46207 so I cannot give my reveiw
Reply from Stirlingkit2025-08-04
We apologize for the delay in responding. Your order has been shipped. The tracking number is: YT2521000700714146.
Check this tracking link: https://t.17track.net/zh-cn#nums=YT2521000700714146
Really fast delivery, kit looks amazing, really detailed and well made. I' really looking forward to building and running. This will not be my only purchase from Stirling Kit!
I inquired if Stirlingkit could supply an upgraded injector and pump for the D16 diesel engine I had purchased from them. They responded immediately that they would supply these parts for free. This is an example of their excellent customer service.
As does happen occasionally, received defective part with kit.
Got a Toyan engine that came with a defective CDI. Notified Mona in the Service dept, received an almost immediate response and not only a replacement, but an upgraded was included with my next order of accessories. Thank You Mona
I have purchased a few engine's and other item's. Excellent communication along with great assistance with any problems i had.
Shipping time frames are bit long, But are on par with rest of world.
I always strip the engines down to check and clean up any bures left from machianing etc, Reassemble with the correct torque settings. The quality is often very good.
Well in April I ordered a JCZK HELI and got to wondering whats taking so long to ship. I contacted them and Martin explained that they were waiting for a chip to install. I'm in no rush, want a functional helicopter and Martin explained everything and I'm the proud owner of one killer helicopter.when curious nothing is more satisfying than simply understanding! Just ordered another heli and I trust Stirlingkit.. George.
Received the Toyan L400 BGC, kit was the easiest to assemble, without variables. Valve timing is predetermined by a keyway in the cam shaft and no valve lash adjustment, it has OHC. Like this engine as it has a distributor which I can adjust the spark timing. The CDI is defective and produced no spark. A couple Emails to Mona of Sterling Service Dept, video sent and problem solved, she is sending me an upgraded, higher power CDI unit. Can't wait to hear this baby roar. Thank You Mona.
Retrol HM-01 hit and miss engine…an exquisite working model
The Retrol HM-01 hit and miss engine was a pleasure to assemble. The assembly instructions and photos were excellent. Every part (even the screws) were precision-made and fit together perfectly. After adjusting the breaker points, it started and ran like the real thing. I’m looking forward to the cart for the finishing touch.
Ordered Schweizer helicopter 10th April. Didn't realise it was out of stock and would take so long as it turns out there was a problem supplying chips. However, Mona kept me informed with always prompt polite replies. When it came into stock it took only 8 days to get to England despite standard delivery, arriving today.
The product looks fantastic. Really great quality and I'm looking forward to flying it. So despite the supply issue, I thought customer service was good, especially expediting delivery and the product well worth waiting for.
Why does every product review on Stirlingkit have 5 stars but all the negative comments on other review platforms. Are they restricting negative comments? Cuz they could also give feedback on the official website which is more convinient than searching for other platforms to give honest feedback. Isn't transparency a crucial factor? (Same on youtube review videos from their partners). Is it even possible that every single person on Stirlingkit.com are 100% satisfied? Or are insiders giving feedback on their own cuz every positive feedback on Stirlingkit.com is detected as 100% ai generated (you can test it on quillbot ai detector). Why do they have to do that? just to gain trust and make customers fall in an illusion? Am concerned as i recently ordered a product and now i see all negative comments for Stirlingkit.com. is it been proven? or has anyone taken legal actions? If Stirlingkit fails to provide appropriate reasoning or i experience same difficulties or scam, am taking legal procedures. Hope it's not like that.
Reply from Stirlingkit2025-05-26
Dear Customer:
Thank you for choosing Stirlingkit and reporting your concerns. We highly value the experience and opinions of every user, and always regard transparency and customer trust as core values. Regarding the issues you mentioned, we hereby provide detailed explanations:
1. Explanation of reviews
The user reviews displayed on trustpilot are all submitted by real users independently, and we have not conducted any manual intervention or screening of the review star rating. We encourage all users to directly report any issues through the "Contact Us" channel of the official website, the customer service email or social media so that we can assist in solving them as soon as possible.
2. Attention and action on negative feedback
For real product or service problems, we have contacted the relevant users to properly resolve them (such as returns, exchanges, technical support, etc.), which does not mean that our products are defective. We will never cover up the real voice of users.
4. Commitment and suggestions to you
As your service provider, we understand your concerns about the order. We promise:
If you encounter any problems during the use of the product, please feel free to contact us via email: [email protected], and we will respond and provide solutions within 24 hours.
We always welcome real feedback, whether it is praise or criticism, which is our motivation for improvement. Transparency and integrity are our foundation. We value the trust of every user and will continue to prove this with practical actions.
I purchased the F11S Apache and it’s awesome. In addition to the helicopter, I bought many spare parts and customer service is excellent !!!!! Im looking to purchase another helicopter for Father’s Day soon👍
I bought several helicopters from Stirlingkit. They are very good to deal with, with particularly helpful staff. I will continue to purchase hobby items.
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