Manchmal funktionieren Petterssons Erfindungen und Maschinen nicht richtig, aber sie machen Spaß. Findus muss sich dagegen um seine eigene Erfindung kümmern.
Findus is angry because Pettson has no time for him at all. Findus invents a coffee pot that automatically serves Singhild coffee. But no one really notices his invention. Singhild wants to know how far Pettson has got with the carved wooden Santa Claus’ but Pettson is only thinking about his Santa Claus machine. When the Mucklas steal a screw nut off of his machine, Pettson is enraged.
