The celebration of January 6 dates back to the early years of evangelization in the New World and remains in force to this day. According to Mexican tradition, the Magi are the ones who bring gifts to children.
The custom is that the children on January 5 write a letter Melchor, Gaspar and Baltazar wishing toys the next day. It has a habit of leaving near the Christmas tree or next to a shoe birth, some children leave card on the tree or even tie their letter to a balloon and release it so that the kings from receive the letter and leave some food for the Three Kings. The next morning, the food disappears, and the shoe it is surrounded by many toys, the children get up early to see the surprise toys that have brought them the Kings.