CiC

"HAPPYTANKSDAY"
Will net you
After inputting the bonus code you will receive all of the following:
1 day of free premium
5x Extra Combat Rations
5x Case of Cola
5x Chocolate
5x Improved Combat Rations
5x Strong coffee
gogo!

http://worldoftanks.eu/news/3386-happy-tanks-day/

kewlio, ty

what do those items do anyway?

make ur crew 10% better for 1 map or somethhing but u usually have to use gold to buy them