How many movies have Anja van Mensel and Jan Roos collaborated on?

They have worked on 3 movies together! Their first movie together was Plop and the Penguin (2007) while their highest rated movie together was 10 jaar Plop - Kabouter Plop (2007). They have not worked together since Anubis and the Path of 7 Sins (2008). They are most known for their family films together.