This page contains Dr. Kawashima's Brain Training: How Old Is Your Brain? Unlockables for Nintendo DS called "Larger Stamp" and has been posted or updated on Sep 20, 2006 by amie1991. Let us know what you think of this Unlockable by thumbs voting.
- Developer: Nintendo
- Publisher: Nintendo
- Genre: Miscellaneous Edutainment
- Release Date: Apr 17, 2006
- ESRB: Everyone
You have to finish three brain challenges in a day and the stamp used to keep track of your progress will get larger.
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