My kids always wanted to do what I was doing. I taught all 4 kids how to crochet - my sons don't crochet now, but they knew how once. My oldest DD doesn't have the patience for crochet or sewing.
My youngest DD learned to crochet at the age of 3 - she is very good at it - reads patterns and has great color sense. Youngest DD learned basic sewing in a home ec class in 9th grade and this year during her break from college asked to work on a Quilt for Kids kit that I had here but hadn't started yet. She enjoyed it and did a good job on it. She has the basic skills - so I think when she gets older she will continue to quilt.