What can I expect when travelling to Efteling on the P and O Hull to Rotterdam Ferry?

Come with us as we start our 3 day adventure visiting the Efteling park in the Netherlands for the first time. How easy is it to travel to the park taking the ferry from Hull to Rotterdam and onwards driving to Efteling? What can you expect on board? so much to cover please comment with anything you need to know when planning your trip to this wonderful park.