There's a really interesting video documenting and explaining the development of higher-dimensional Rubik's cubes and the partially successful efforts of constr

There's a really interesting video documenting and explaining the development of higher-dimensional Rubik's cubes and the partially successful efforts of constructing such puzzles in the real world: https://www.youtube.com/watch?v=QTc-rG-nunA https://www.youtube.com/watch?v=QTc-rG-nunA ("The Quest to Build a 4D Rubik's Cube")