Teach your students about how Spanish speaking countries celebrate Epiphany (Día de los Reyes Magos) with this authentic resource. Contains a powerpoint presentation of Nicaraguan Poet, Rubén Darío's poem "Los Reyes Magos," with background information on the author and holiday, and a listening guide (in .doc and .pdf format) with directions for students to write their own letter to the Reyes at the end.
WARNING: Because of the holiday, the poem has Christian elements in it. I recommend that you read the poem before buying. Just Google "Rubén Darío Los Reyes Magos."