The listing, Boktai - The Sun is in Your Hands [GBA] has ended.
Very cool GBA game. It has a solar panel IN the game that you have to use to play the game (for the most part).
Basically, you use the sunlight (yes, real sunlight) to charge the main weapon your character uses to defeat enemies (with other extras).
It also get's your kids off their butts (if you parent) to go outside & at the same time still be able to play a video game.
As for adults ... well, it's just cool. :-p
$2.25 to ship. I accept all forms of shipping (no checks tho). MO's must be postally issued.
I send my "free shipping" items put every Wednesday!