The boy in the suitcase

Two suitcases get switched at the train station. The first one is filled with lots of presents that a loving granddad is taking to his grandson. The second suitcase contains a boy. The boy has been travelling for days to escape his country and re-join his family. When granddad and grandson open the case, they see two big eyes staring back at them. What will they do with the boy in the suitcase?