How many movies have Erwin Groeneveld and Tony Neef collaborated on?

They have worked on 2 movies together! Their first movie together was Sinterklaas en de Verdwenen Pakjesboot (2009) while their highest rated movie together was Sinterklaas en de Pepernoten Chaos (2013). They have not worked together since Sinterklaas en de Pepernoten Chaos (2013).