I had the same feeling! But I just play the lecture and just listen. While I’m working on a project. And sometimes something new pops up or a handy feature is used. And a bit repetition isn’t that bad.
But I recognize the feeling of doing things over and over again. The only thing I do, is making the challenge more interesting for my self. Adding more complexity or changing the subject.
Like section 4 “Animation principles”, these are also discussed in the online course “GIMP”, which I followed also. So I enhanced the final challenge and ended with this showcase