„Die Sendung mit der Maus“ is a German TV Show with educational background for children. It first aired 1971. 1996 they visited my joinery store and asked me to help them solve the „Pfeffermörser“ mystery.
There’s no Englisch word for it but it’s basically a mortar that one can crush peppercorns with. And the question was whether it was build from one piece and if not, how they got the pestle through the little hole.