I can see the tutorials are good solid stuff. I will be able to use them in intro college level classes (although our college kids are rapidly losing their abilities to read past 127 characters at a time).
For 11 year old kits, maybe a different approach with more pictures and videos can be used. I remember when i was 11, I was able to program but not much. Maybe an approach like, hey this is how you blink an led, that is how to do two leds. Then here is how you do ...