That was adorable. I love the idea of teaching coding through video games, and I think Ren'py is a good one to start with.
It took me a couple of tries before I got the , "fish" ending, but it made me laugh. I wasn't expecting to be able to blow down all three houses, so that was a surprising twist as well.
Game mechanic wise, I didn't run into any issues or bugs.
Wonderful job! I wouldn't be surprised if she ended up in a game career path.