Absolutely agree.I think it's more about them actually experiencing it rather than remembering how to do it. Once they've done some projects like that, it builds confidence that they can do it again or other projects, even if they don't remember everything.
He's fortunate to have you to take the time and build him up in this way, that's what more parents should be doing .
My dad wasn’t really a hands-on type of person when it came to fixing things, but we spent an awful lot of time together hunting and fishing. I had some other great mentors, including my grandpa and a couple of family friends who were immensely helpful in learning how to cobble old stuff together.