gas canisters?

I can't take them on the coach to wacken from england, and the last few years I couldn't seem to find them on sale at wacken- we ended up using those bbq grills. Anyone know where I can get them? Thank yooou!

 

There is a camping shop nearby wacken.. its on here somewhere and camping supplies in hamburg!!

 

Quick reply! thanks I'll see what I can find...