Where do I even start with this frustrating and ultimately disappointing product? While the hardware itself *could* have potential, but it leaves a lot to be desired.**Hardware Issues:**- The lack of multiple LEDs to differentiate between power sources (USB vs. battery pack) is a missed opportunity.- The soft button toggle switches are difficult to use, and the board's memory behavior is confusing—e.g. it's not always clear whether the system is on or off.I'm fairly certain my original RP2040 Pico board was damaged. The Arduino "shield" is rated for 9V DC, while the USB provides 5V DC. This discrepancy should have been addressed more clearly.Assembly is an absolute nightmare. The screws used are incredibly tiny—more suited for a watchmaker than anyone assembling this kit. The self-tapping screws into tough ABS plastic are a challenge, and there’s a real risk of stripping the heads, even with minimal force. Additionally, the servo gear wheels have holes that are either too small or too large for the provided screws. Even worse, there are extra, unnecessary holes in the gear wheels, which only adds to the confusion.**Software and Setup Issues:**- The process of uploading code was problematic. My board kept getting stuck in bootloader mode, and even after clearing the cache, the Freenove arduino board would hold onto the memory and execute code repeatedly. This often made the board a one-trick pony, constantly running programs I didn’t want it to.- The Arduino IDE screenshots in the manual didn’t match the latest version of the software, and when I tried using the version shown, it didn’t even align with the manual’s instructions. This inconsistency only added to the frustration.- My Windows 11 PC would occasionally recognize the port, sometimes not. The Arduino IDE could not even identify my Freenove board or its drivers. The manual doesn’t provide any useful guidance on how to resolve this either.**Tutorials and Documentation:**The tutorial appears to have been hastily written, with some sections completed by someone who might have had an idea of how to create a tutorial, only to be replaced by someone who clearly had better things to do. It’s filled with unnecessary code and unclear instructions. A prime example is the 10 pages of Python code required to calibrate the servos—overcomplicating a process that should have been simple.Overall, I wouldn’t recommend this "kit" as an introduction to STEM or robotics. It’s frustrating and difficult to work with, leaving you with more questions than answers. If this were an assignment for first-year undergraduates, it would force them to learn more about microcontrollers, but at the cost of a deeply frustrating experience. I would advise tutors and colleges to take note before recommending this as a project otherwise yeah let them sweat over it!

Se lo compré a mi hijo para reyes y está genial, lo único malo es que el chip hay que comprarlo aparte

First problem was the included hardware didn't match the online information for what you should have. Seemed there were perhaps enough screws to go around so I decided maybe I could scrap by - first mistake, nope that was the second mistake, first was getting this thing to begin with.Third mistake was thinking this would be a cool kit to work on with my son. Nope. I mean Lego's sure but this mess, nope. I have built personal computers, code, work with SQL, scripting and programing languages so this "prepared" kit should be a cake walk - even if the included screws were not completely correct. But sadly it wasn't.It started out somewhat okay, as I got the servo's connected and ran the first sketch - success! Short lived success but success none the less! It was after this that it started going down hill actually. I realized the included screws were not going to be much help with the final pieces, there just wasn't enough longer screws to get it to hold everything together like it should, so it was a bit loose instead - I should have stopped and shipped it back at this point but yet another mistake on my part.Once it was somewhat put together, I reconnected to my pc to upload the rest of the sketches and see how this would work. But all I was getting was error, error, error - and it would have been nice if the speaker worked and had the "Warning Will Robinson!" or something so I could at least be entertained, but this thing would only get the original "blink" sketch to work and then nothing but errors on the rest.I could have spent time trying to figure it out or email support asking why their code for their robot didn't work, but have better things to do with my time than spend more of it trying to fix this mess. I mean the M2 nuts were so damn small it took forever to get them on and the "spreader" included didn't seem to fit anything.Just save your money or find another kit that is hopefully better than this garbage. It's bad enough to waste time on it, let alone your money so my advice is just move along, nothing to see here.

For me, the is a great beginner robotic kit to start out with for those looking to learn either about robotics in general or the Raspberry pi or both. Good thing about this kit is it does come with a couple extra parts like a spare servo and spare screws just in case. The only downside was one of the legs cracked where the servos go, but I was a bit lucky that it only cracked where I was able to get the servo screwed in and used a little glue to fix it. The tutorial is downloaded which is a good thing in a sense as its almost 200 pages long to include the setup of hardware and software but the various things that the robot can do. Although the instructions could be a bit clearer than it is.

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