All good stuff. In the end, it's your decision, you know the kids, not me. I think that as long as they understand why they're wearing PPE, and that stop means STOP NOW!!, and I'll explain why as soon as the danger has passed, the only way is up. For myself, I think now how I would have liked to been able to start earlier, rather than hearing, " you're too young". I can't take credit for this part, I saw it on another forum. Once they start showing an interest, and aptitude, buy them an empty toolbox. Every year at Christmas, birthday, anniversary of the first time you were in the shop together, whatever, get a new tool, use it, learn it, and learn to start TAKING CARE OF YOUR TOOLS NOW, and add it to the box. Years down the road, when they're showing their grand young-uns............