Here are some links that you might find useful:
Kids.gov - Official kids' portal for the U.S. Government
KidsClick! - Web search for kids by librarians
How Stuff Works
Homework links from NioKids
Have a question? Ask A Librarian!
For Parents & Teachers
Here are some links that you might find useful. Also, stop by The Parents' Place in the Children's Room for the latest books and DVDs for parenting infants through teens.
U.S. Consumer Product Safety Commission
Common Sense Media - Find movies and more that are appropriate for your kids
Birthday Party Ideas
Activities for Kids