This is a good site for online kids games
http://resources.kaboose.com/games/online.html

Free Kids Games from theKidzpage.com -- Online Java, Shockwave and Flash Games
http://www.thekidzpage.com/freekidsgames/index.htm

Kids Games - Yahoo! Kids
http://kids.yahoo.com/games/index

From educational to just plain fun, we’ve got the best kids’ games. Look below for one that suits your kid’s age—try Funschool for pre-schoolers up to sixth grade, Zeeks for older kids and young teens
http://resources.kaboose.com/games/online.html

FunBrain.com - The Internet's #1 Education Site for K-8 Kids and Teachers
http://www.funbrain.com/

Childrens Games. Britannica free online games for children 7 to 11
http://www.britannica.com.au/pages.asp?page=/pages/games

Children's Computer Game Site Free Online Kids Games - Children's Computer Games
http://www.learn4good.com/games/kids.htm

NickJr.com--Play to Learn with Dora the Explorer, Blue's Clues, Little Bill and More!
http://www.nickjr.com/playtime/cats/games/index.jhtml

Kidz Bop
http://www.kidzbop.com/game

Club Penguin is a kid-friendly virtual world where children can play games, have fun and interact with each other.
http://www.clubpenguin.com/