De Griezelbus in english; The Horror Bus is an Dutch fantasy horror movie released in 2005.
Plot[]
A child aspires to be a writer when he grew up and decides to write the destiny of his classmates, then asks a malevolent entity to make what is written a reality.
Onnoval is eleven years old and does not get along very well with his classmates. He believes that by getting angry, he will turn into a werewolf. Bullied at school, Onnoval writes ghost stories in which he takes revenge on the other children.But when the evil Ferluci manages to own his stories, things start to get very real. If Onnoval doesn't rewrite his story soon, the consequences during the excursion to the Park of Horror will be dire.