ari-free makes a good point.
It’s so important for us to explain to our kids WHY we keep the mitzvos and talk about our relationship with Hashem. Emunah is key. It’s important for our kids to feel it in their hearts, not just go through the motions. Not just how, but WHY. Why does Hashem love us, etc.
I also can’t understate the importance of filters on cell phones, and better yet, don’t buy them a smart phone but rather a simple cell phone without data.