If we look closely at what they're doing, you'll see that they're putting rocks into snowballs. And Denmark has snowballs so it looks like they're about to have a snowball fight. So those two are definitely up to something.
Pinching cheeks, Nordics - Iceland "don't touch me" - Norway "you r going to get hit in. someone's paying attention to me" - Finland - "why are you pinching me?" - Sweden - "touch me again and see what happens"