How many movies have Kazimierz Janek and Zofia Ejdys collaborated on?

They have worked on 4 movies together! Their first movie together was O dwóch sklepikarzach (1962) while their highest rated movie together was Baśnie i Waśnie (1964). They have not worked together since Czarodziejski dzwon (1964). They are most known for their animation films together.