Brainquest activities and puzzles for kids. http://www.brainquest.com
Discovery Channel - Lots of great science resources http://www.discovery.com
Family First - A site for family-friendly websites. http://www.familyfirst.com
Activities and resources from Nickelodian Junior. http://www.nickjr.com
ABC Teach - Fun ideas, activities, and printable pages for kids and parents. http://www.abcteach.com
Family Fun magazine online http://www.familyfun.go.com