Woody, Whac a mole, Banka grodor, Huggkubben, Träslaget. There are several names for this popular game.
The object is to hit five wooden studs as they bob up and down. It helps if you happen to have split vision. You have 25 seconds to hit all the studs as quickly as possible with your cloth club.
Here you find Träslaget
You can find Träslaget here, click on the map for more information and to explore different areas.