Spanish Christmas celebrations last from December 1st through January 6th. Families put up lights and Christmas trees on December 1st. On December 24th, families have a seafood and roast lamb dinner together and sing carols. They exchange gifts and eat 12 grapes at midnight on New Year's Eve for good luck in the new year. On January 5th, there are parades welcoming the Three Wise Kings, who throw sweets to people and leave presents for children.