I taught my daughter to use the word processor. She taught me some sign language. A computer web page teaches her tabulatures for playing certain songs on her guitar. She teaches an acquaintance guitar-playing techniques. We are all teachers and we all have to remain open to a lifetime of learning.
Public school requires seven hours per weekday of formal education.
I asked the grandfather what the youngster liked to do. I was intrigued and queried further. If you are not proficient in such endeavors, as I am not, such directions confuse you. You have to wonder what frustrations and confusions this boy was facing each time he worked on a model. No, I was not surprised.