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I enjoyed building the Mars Rover kit; this Robotic Arm Kit is exactly the opposite. My areas of concern with this kit are that there are no written instructions or diagrams, just a video. All the plastic parts are black and it is hard to distinguish which parts are in front of others, or exactly how they should fit together. Several parts have screw holes offset so they only fit one way, but it is not mentioned and a surprise for you once you have the parts like the video shows. Servo ...

The kit is at a great price and has a lot of lessons, but the lessons are all written (very very poorly) by AI and nobody bothered to proofread them. Not only is the writing atrocious, but it repeats itself, and it also repeats itself. Finally, it repeats itself, and also gives bad information (like which pin to attach wires to). Fortunately the photos and sample code is correct, but Inventr.io really needs to hire an English major to write the story and stop trying to replace people with terr...

I only got through the first few days, but it didn't really teach anything. It just said "plug this in there, and that in there. Then upload this prewritten program and it works!" No explanation of what is happening or why. There was no indication of having to watch other how to videos before starting, and we were halfway throught he first video before we had to go back to the site to try and figure out what is happening and we saw additional videos with how-to's that are all slightly different ...