How many movies have Bert Schrickel and Harry Rowohlt collaborated on?

They have worked on 5 movies together! Their first movie together was The Little Polar Bear (2001) while their highest rated movie together was The Little Polar Bear: A Visitor from the South Pole (2004). They have not worked together since The Little Polar Bear 2: The Mysterious Island (2005). They are most known for their animation films together.