Yes, I would agree with NSUF Crack. Judging by their ages I would think that these are girls from the NSUF "SMÅHIRD" (Girls between 10-14 years). You can see one of these armbands in this thread: http://www.hj-research.com/forum/f74/nsuf-norwegian-youth-1748/ (post #20) by Gunnar who specialises in NSUF items.