American Museum of Natural History

B.J. Pinchbeck's Homework Helper

Bonus

Conjuror-An assortment of free magic trick instructions

Crayola

Fun Brain

"Hey kids!  Follow these links to some really cool game sites."

~  Granger S. Grasshopper

History Channel

Kids Go Wild

Library Spot

National Geographic for Kids

National Wildlife Federation for Kids

Party Soup

Scholastic