What was a pretty blue vase doing way up there? I couldn’t reach it, obviously, so I moved over the chair with the tuxedo still on it, and then I went to my room to get the Collected Shakespeare set that Grandma bought for me when she found out that I was going to be Yorick, and I brought those over, four tragedies at a time, until I had a stack that was tall enough.

How does the narration shape Oskar’s characterization in this excerpt?
His curiosity renders him extremely childish.
His literary references render him mature for his age.
His dramatic experience suggests great talent.
His plan for retrieving the case suggests great ingenuity.