

🚗 Build, Code, Control — Your STEM Journey Starts Here!
The ELEGOO UNO R3 Smart Robot Car Kit V4 is a top-rated educational robotics kit designed for kids and teens aged 8-16. Featuring 24 modular parts including obstacle avoidance and line-tracing sensors, it offers hands-on experience in programming and electronics. With easy-to-use XH2.54 ports, Bluetooth and IR remote control, plus detailed HD tutorials and Arduino code, this kit transforms STEM learning into an engaging, interactive adventure.














| ASIN | B07KPZ8RSZ |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Best Sellers Rank | #5,250 in Toys & Games ( See Top 100 in Toys & Games ) #55 in Educational Science Kits |
| Customer Reviews | 4.5 4.5 out of 5 stars (4,316) |
| Is Discontinued By Manufacturer | No |
| Item Weight | 2.7 pounds |
| Item model number | US-EL-KIT-012 |
| Manufacturer | ELEGOO |
| Manufacturer recommended age | 12 years and up |
| Product Dimensions | 8 x 7 x 6 inches |
| Release date | May 1, 2019 |
D**T
Wonderful product as a STEM kit!!!
This Smart Robot was my introduction to Elegoo products and the experience has made me a diehard fan of Elegoo. I bought this for my 9 year old son as a gift for the holidays. This was my attempt to give him gifts would peak his interest enough to get him away from all the games and electric devices and this did the trick. At first when I first opened it I wondered if it was to much for him to assemble but boy was I worng. He enjoyed every moment of it and has not stopped using it. Its so much fun that everyone in the house is enjoying it. It was designed and packaged so well and the instuctions were very easy to follow. Love the care they took and the packaging was neat and well organized. In its default state its packed with features but the intro to Arduino IDE increases its value immensely making it possible to add more components, features and functionality. This has already paid for itself times over and its value for money is undeniable!!
I**X
Easy to assemble & excellent documentation! Great science fair type of project.
I've assembled several robot kits like these but this has got to be the best so far hands-down. Everything about this project is well done from the packaging (components are well labeled in separate boxes & baggies) to the documentation (printed and download). I was able to follow the included printed assembly manual and put the robot together in about an hour. Elegoo has even included three small tools so you won't need to use any of your own unless that's your preference. The included Uno clone is preprogrammed with all of the necessary functionality so all you've got to do is power it on and choose the desired function via the IR remote. You can also download an iOS or Android companion app to control the robot via bluetooth although that's not something I've tried yet so I can't comment on how well it works. Of course, the Arduino software is available from Elegoo's website if you want to experiment with uploading your own sketches. I downloaded the surprisingly large zip file for this product (1 GB) and briefly browsed the multilingual contents. They've done a good job with this documentation as well! The Arduino source code is included by various build/functionality stages and PDFs are included that explain everything in that particular stage. This little car really zips along, too! I haven't tested the line-following function but the obstacle avoidance function works pretty well. It can get stuck in this mode if the car approaches an object at a shallow enough angle which doesn't trigger the ultrasonic distance sensor but waving your hand (or foot) in front of it does the job. Manual drive mode works very well using the included IR remote. TL;DR: Quality of the electronics is fair, hardware is excellent & solid, documentation is really excellent for non-native English speakers. It is actually a bargain for all of the components you get and how well the fit & finish is. My only gripe is how easily fingerprints and dust show up on the piano black acrylic body pieces. That's a minor annoyance, IMHO. If you're on the fence about buying this, you shouldn't be. It's honestly a great robotics project that gives you more than you'd expect for the price. I'll update this review if I encounter any problems but, so far, it's worked well!
L**E
Easy to assemble.
This kit is really great. I purchased this for my 8 year old grandson. He was able to put together without supervision. The step by step instructions were great. You can use your phone or the included remote that came with the product. He played with it a few time but has it on display to preserve it i guess. But he does take it out from time to time and play with it. Money well spent.
K**A
Good enough
Built this with my grand kids. Fun to build. Not really that good at function. Never could adjust it to go in a straight line.
A**R
Great little robot
This is a great robot that works better than I had expected! It is fast and the FPV mode is a blast! There is a lot of potential with this little bot, the motors could support small payloads or additional modules without too much difficulty. The assembly was pretty easy aside from a few odd angles of illustrations in the manual that led to removing a few screws and making adjustments. There is a great slideshow of assembly I didn't find until after I had assembled it, you can find it in the sellers item description links. Also be sure to check out the links that have the app to control the robot, I made the mistake of listening to the manual and going to the Play store and downloaded another Elegoo app that controls the robot but isn't compatible with the camera. My only real complaint would be the angle of the camera mount, it is about 45 degrees above the horizontal plane of the robot (maybe less) and can make it a tiny bit difficult to see obstacles directly in front. This robot would be perfect if there was a vertical gimbal so you could have more control over the camera. I'm going to add that functionality later but that isn't a beginner friendly project. I'm impressed with the robot and would definitely recommend it to those looking for a project or a new toy. Since it is programmable there are limitless options to modify it to do a variety of tasks. So much potential for such a reasonable price point!
J**N
Great Educational Robot Kit – Fun and Easy Build!
We had a fantastic experience building the ELEGOO robot car kit. The directions were clear, straightforward, and very easy to follow — at no point did we get stuck or confused during assembly. There are many small components included, and while some pieces come with spares and others do not, everything was well organized and fit together smoothly. The build process was actually part of the fun and made it a great hands-on learning experience. Once assembled, the robot performs really well. The controls are responsive whether using the remote or the mobile app, and both options work reliably. Watching it drive around and avoid obstacles is incredibly satisfying! Overall, this is a fun, well-designed kit that’s perfect for beginners and a great educational project for kids and adults alike. Highly recommended!
D**I
Good for kids
N**A
The base/top plates are sturdy, even though they are plastic. Instructions are clear enough to understand and assemble. The UNO comes pre-programmed. So once you assemble it, you can start using it like a toy. App control is seamless. All default functions work well. I haven't figured out yet how to customize the programming, for example, do various other computer vision tasks.
F**A
Excelente juguete didáctica y aun lo que “nos falta”. Aprender…
K**L
Very good quality, my son 11 years enjoyed it a lot. Recommend it highly
A**R
Very nice
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