Edited the layout a bit with intent of making it easier to read. Let me know if you come across any issues
Outside input- keeping at least the background controls on the side would be good. That makes it easier for me to navigate and read, so I'd want to tweak those before going to a different page. That's just me, though.
The children who compete in Rubik's cube speedsolving competitions organized by the World Cube Association are surprisingly knowledgeable about the official standards and rules.
Pens and stationary! It's a huge rabbit hole when you get into it.