I'm a retired geek but I do tractor work, I just pulled a 14 hour day and I'm having some wine so salt heavily. In my opinion, the best thing you can do with kids is create boredom. If they have access to a shop, or some lumber, they will start to build stuff. If kids are bored and they turn that into building, that's the first step towards getting into a good undergrad school. Building stuff is good. The hard part,…
As a kid I was constantly bored, this strategy was deeply ineffective on me. I did grow into it as an adult, but it took a long time.
In short, YMMV.