Fun Brain - A little bit of everything including puzzles and games.
Education Place - Kids' games and activities for math, reading, language arts, social studies, and more.
Kids Love 2 Learn - A great site with topics including "searching the net, homework help, report writing and fun stuff".
Cool Math 4 Kids - A site with interactive math games on all topics, for all grades
The Electronic Zoo - Many links to animal resources.
Frogland - Includes all you wanted to know about frogs and more. Frog of the month, art gallery, jokes, fables, other frog links.
Puzzlemaker - Construct and solve puzzles.
Exam Bank -On-line study resource for all grades and subjects.
Tumblebooks - Tumblebooks has taken existing picture books and added animation, sound, music and narration for readers to enjoy.
Yahooligans - Contains games, music, movies, and jokes for kids to use.