The advert documenting the experiment was created by advertising agency McCann Spain under the original title “La Otra Carta,” or, “The Other Letter.”
The campaign launched on December 2014 for IKEA’s Christmas 2015 campaigns. It features children age four to nine asked to write two letters saying what they want for Christmas., according to the producers, is entirely “real and unscripted.”
https://www.youtube.com/watch?v=3dAQ6_gXQy4
