3blue1brown runs Summer of Math competitions to highlight other creative math videos. Many, but not all, use the same 3b1b 'manim' animation software, so they often have the same look'n'feel. Here are the results from 2022, and the huge YT playlist:
https://www.3blue1brown.com/blog/some2
https://www.youtube.com/playlist?list=PLnQX-jgAF5pTZXPiD8ciE...