> You can learn a lot of Group Theory trying to make a mental model of how the rotations work I didn't have a clue what group theory was back then (I was 10yo

> You can learn a lot of Group Theory trying to make a mental model of how the rotations work I didn't have a clue what group theory was back then (I was 10yo or something), but I clearly remember discovering these. Pretty sure it ended up become formative for my surprisingly quick group theory understanding in later maths class.