Benny, a character in the book "Mountain Top Mystery" by Gertrude Chandler Warner, expresses his excitement about getting a bottle of Coke. This brief moment captures the innocence and enthusiasm of the characters, highlighting their enjoyment of simple pleasures amidst the unfolding mystery.

The inclusion of such a detail not only adds to the characterization but also reflects the setting and time of the story, where sharing a drink can symbolize camaraderie. As the plot develops, these small interactions create a sense of connection among the characters while they navigate the challenges presented by the mystery on the mountain.