Try this game. It was fun. I scored 39 but I have to do better than that!!
See if your brain is as old as your body. Read this carefully because the instructions on the site are in Chinese;

Procedure of Flash Fabrica Game:

1. Touch ’start’
2. Wait for the countdown to finish, i.e.: 3, 2, 1.
3. Memorize the number’s position on the screen and their numerical order, then click the circle from the smallest number to the biggest number. This sequence will repeat ~ 10 times until the game ends.
4. At the end of game, the computer will tell you how old your brain is in Years


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

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