How Old is Your Brain

Check it out. This is in Japanese but here are the instructions:

1. click START

2. after 3 seconds(3-2-1), memorize the numbers appear on screen.

3. click the circles for the numbers you just saw from small to large.

4. computer will calculate your brain age when done.

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

How old is yours?