BBC's Dance Mat Typing - Fun typing practice from the BBC.
ABCYa.com - This is a great website for beginning typists. Second grade should check out the Keyboarding Zoo. 3 thru 5 should use Keyboard Invasion or Keyboard Chase.
Slime Kids - Online source for typing games & keyboarding games.
Typing Jets - Online typing jets game from Arcademic Skill Builders.
Sky Chase - Online typing chase game from Arcademic Skill Builders.