Final answer:
In 'The Boy in the Striped Pajamas,' the grandmother devises a special gift for the protagonist every Christmas and birthday: a pair of striped pajamas.
Step-by-step explanation:
In the novel 'The Boy in the Striped Pajamas,' the grandmother devises a special gift for the main character every Christmas and every birthday. She gives him a striped pair of pajamas, which becomes significant as it symbolizes the boy's friendship with another boy in a concentration camp.