Wish I could go. Alas, I am too far away. I have two comments.
Why wait until the kids are in High School? My dad got me my first VOM (Volt-Ohm-Milliampmeter - before digital) on my 11th birthday.
Somebody needs to develop a beginner's oscilliscope. That was when I really started learning electronics. I was able to borrow a Dumont 'scope and later I built a Heathkit dual channel 5MHz 'scope. There don't seem to be any entry level 'scopes except for the Rigol.