Fun To Type
http://www.funtotype.com/
Spelling City
Vocabulary games by grade level or word type. http://www.spellingcity.com/
Spin and Spell http://www.spinandspell.com/
Light Up Your Brain http://lightupyourbrain.com/
Scholastic I Spy http://www.scholastic.com/ispy/games/bingo.htm
Discovery Kids http://discoverykids.com/
Build Your Wildself http://www.buildyourwildself.com/