Fancamps, Fanfests and Ticket Exchange for the World Cup 2014 in Brazil

Is there like a big camping shop, eg Decatholn, anywhere near the camp site, where we can buy tents, sleaping bags, etc..
Thanks

i ask because we need 2 buy a big tent (6-8 men), sleeping bags and blow up beds...also pillows! hehe! There is a hell of a lot that we need and we simply cant bring it over before we leave!! We arrive on the 7th morning in germany and we wil drive straight to the campsite from berlin. Where would y...