What are some good computer games for kids that are 4?

MY boys are getting an interest in the computer all the sudden.
No websites please. I would prefer a software I can buy.
BTW, please answer my other questions too.
They ALWAYS read. I just want to get the A COUPLE games to play for like 10-30 minutes a day only.

Putt Putt or Jump Start____ (grade)! They’re both educational and fun. My boys, one of which is 4yrs, LOVE them.
Best Wishes =]

Putt Putt: http://images.google.com/images?hl=en&q=Putt+Putt&gbv=2
Jump Start Pre-School: http://images.google.com/images?gbv=2&hl=en&q=Jump+Start+Pre+School

Argumental – Computer Games Are Corrupting Our Kids