My wife Jean and I did devotions with our boys throughout their childhoods. “What kind of devotions?” was the issue we always had to resolve.
Jean preferred formal times of Scripture reading and devotion. Her degree is in biochemistry, so it fit her personality to whip up a lesson with the creativity and skill of a schoolteacher.
As for me, I’m spontaneous and loose. I chatted with my boys about the Bible when we were engaged in routine activities, like driving back and forth to school.