//invert the matrix to keep the activity icons pointing up
   __weak OnboardingViewController* weakSelf = self;
   self.dynamicItemBehavior.action = ^{
      for(OWScaledImageView* view in weakSelf.activityViews){
         view.imageView.transform = CGAffineTransformInvert(weakSelf.activityViewContainerView.transform);
      }
   };