Then there is a survey and reviews of games written by girls who have played them. I would guess for girls above ten or so. This is a catalogue of sites for children that is quite extensive. Charmayne's Choices for cool web pages for the elementary set. NASA's Site for k-12.
None can match it.
KinderNet a site designed for the pre-school child. Also for those with fast connections. She's a doctor today because her role models weren't models. Another site with role models. There is, of course, Kid's Web .