Żywiec Group (Heineken) realized a very interesting series of local campaigns with very professional support at the central level (GLOCAL - think globally and act locally). Strong points of promotion:
For improvement: it would definitely be better to display the prize on the lower shelves, because at 2.20 m you can simply not notice it.
To maximize ROI, each action of such should be monitored using modern exposure control tools based on image recognition such as PRO.Display.