How old is your brain?

This is cool.
Usually, when a co-worker forwards an e-mail, I cringe, but this is a cool game of numbers to test your brain.

http://flashfabrica.com/f_learning/brain/brain.html

1. Pay no attention to the writing because it's in Asian script, and you probably can't read it.
2. Press start.
3. Memorize the numbers you are shown.
4. Click on each circle in order of the smallest number to the highest number.
5. When you are done, the screen will show you your brain age.