Oom Ferdinand en de toverdrank 1974

Overview

Three children and their uncle find a magic painting in the uncle's attic. When they pronounce a spell, a lady named Esmeralda emerges from the painting. The lady must return to the painting, unless certain conditions are fulfilled. A magic drink, which makes them invisible, should help them. Two thieves (who seem to like nothing but cakes) kidnap one of the children to require a ransom. And it is found that a man, the father of Peter Faber (that's the name of an actor too, but not in this movie