http://www.millionairetv.com/
http://pbskids.org/fetch/games/index.html
http://www.funbrain.com/
http://www.websudoku.com
http://www.classicsforkids.com
http://www.library.thinkquest.org/3088
http://www.economist.com/markets/Bigmac
http://www.its.caltech.edu/-atomic.snowcrystals
http://www.coolmath4kids.com
chesskids.com