Final answer:
In the novel, Marcello gives the Cerullo's a box of toys as a wedding gift.
Step-by-step explanation:
In the novel, Trina's uncle, Oelbermann, gives her a box of toys as a wedding gift. This gift arrives a couple of days before the wedding and is eagerly anticipated by Trina and her fiancé, McTeague. The toys in the box symbolize innocence, playfulness, and childlike joy, emphasizing the contrast between the simple pleasures of their relationship and the darker events that unfold later in the story.