Billy Beaver has stacked logs in the river, which he carefully guards. However, the beaver kits keep trying to steal the logs. One by one, they push them out of the pile - very carefully, so nothing wobbles! Otherwise, Billy will notice the bold theft and complain as much as he can. But watch out! Some of the logs have woodworms hiding in them. What bad luck! Because only the logs that bear annual rings or a star count. Now it's time to quickly check what the magical foil reveals: The tension rises! Who will be the first to capture six of the valuable logs?.