HUBERTUS, Wis. -- Kids collect a lot of things these days: Transformers action figures, American Girl dolls, baseball cards. Then there's 10-year-old Randy Langenbach. He collects beer cans.

"I just like how they look," Randy says of the 200 cans that line the walls of his bedroom here. And, no, "he doesn't drink the beer," his father says.

The...