More recently, children come to the door to have friends and neighbors admire their costumes, guess who they are behind the false faces, and receive treats of candy, fruit or cookies. They say,"Trick or Treat ", which means " I will play a trick on you will not giveme a treat ". This practice has even more recently developed into a significant international activity. Instead of or along with candy, the children collect money for UNICEF (United Nations International Children s Emergency Fund ). This special collection of money by children for needy children throughout the world is known as "UNICEF Trick of Treat " Begun only recently, it results in several million dollars each year contributed to UNICEF.The collection box is orange. reminiscent of the pumpkin.