There is a Lego Mindstorms Rubik's Cube solver robot as well:
<a href="https://mindcuber.com/" rel="nofollow noreferrer">https://mindcuber.com/</a><p>It is a bit slow, but it seems to work. Here are some videos: <a href="https://www.youtube.com/user/IAssemble/videos">https://www.youtube.com/user/IAssemble/videos</a>
That was cute and a little magical. I may build one with my 8yr this winter break.<p>One suggestion - it looks like you could have a standard 'learn the cube' program where the webcam is off to one side of the robot, to remove that little bit of friction.
"inexpensive". I love that. Like we're all searching for rubik's cube solver robots for our loved ones for christmas but they're all just too damn pricey!