It is important to celebrate during the Christmas season as it is to prepare for Christ during Advent.
 

Advent wreath:  
The Advent wreath, which has German origins, is probably the most recognized Advent custom. It is a wreath made of evergreens that is bound to a circle of wire. It symbolizes the many years from Adam to Christ in which the world awaited its Redeemer; it also represents the years that we have awaited His second and final coming. The wreath holds four equally spaced candles, the three purple ones lit on the penitential Sundays and a pink one for Gaudete, the joyful third Sunday in Advent. There are many available prayers and hymns found in the reading list that can accompany your personal Advent wreath ceremony.

The empty manger: 
Each child may have his own individual manger, or there may be one manger for the whole family. The idea is that when acts of service, sacrifice, or kindness are done in honor of Baby Jesus as a birthday present, the child receives a piece of straw to put into the manger. Then, on Christmas morning, Baby Jesus is placed in the manger. Encourage your children to make Jesus bed as comfortable as possible through their good deeds. In the process, explain Christs incomparable self-gift at Christmas and Easter that enables us to be part of Gods family. 

The Jesse tree:  
The Jesse tree tells about Christ's ancestry through symbols and relates Scripture to salvation history, progressing from creation to the birth of Christ. The tree can be made on a poster board with the symbols glued on, or on an actual tree. For further information read, Advent and Christmas in a Catholic Home.

St. Nicholas Day: 
The feast of St. Nicholas is on Dec. 6th. It is a highlight of the Advent season. Each child puts out a shoe the night before St. Nicholas Day in the hope that the kind bishop with his miter, staff, and bag of gifts will pay a visit. The current Santa Claus is modeled after St. Nicholas, but commercialism has tarnished the true story. Many families give gifts on both Dec. 6 and Christmas. Read about St. Nicholas in your favorite saints book. 

The Christ candle:  
Any large white candle can be used for the Christ candle. The idea is to decorate it with symbols for Christ. Use old Christmas cards, sequins, holly, etc. The candle can be lit on Christmas Eve to show that the Light of the World has arrived. Then continue to light the Christ candle throughout the year at Sunday dinner to remind your family of our waiting for Christ, as well as celebrating His birth and Resurrection. 

The Mary candle:  
Some families have the custom of decorating the Christ candle with a blue veil on December 8th, the Solemnity of the Immaculate Conception. On this great feast, others place a candle with a blue ribbon before a statue or picture of the Blessed Virgin, whose yes to God enabled our Lords coming at Christmas. The candle is lit during meal times to serve as a delightful reminder of Marys eager expectation of the Light of the World. It can also serve as a reminder to each family member to keep their own light of grace burning as a preparation for Christs coming. 

St. Lucy cakes: 
The feast of St. Lucy, virgin and martyr, is on December 13th. This marks the opening of the Christmas season in Sweden. Her life story can be found in most saints books, as can the recipe for the traditional cakes. The symbolism is rich and her life story worthwhile reading. 

The Nativity scene:  
This is the event in which the entire family shares setting up the Christmas manger. Mary and Joseph should be far off traveling and their approach to Bethlehem can be adjusted daily. Older children can make life-size Nativity models, carve them, cut them out from cardboard, or set up pre-made figurines. The creative ideas are without limit. Make sure to place the Nativity scene where many can admire the childrens efforts to give God glory. 

Christmas baking:  
There are many recipe books available to find great traditional Christmas baking ideas. (See recommended reading below.) The baking usually starts around December 20th. As Christmas approaches, the house will smell of baking and fresh wreaths. The glory of Christmas is at hand! Move the manger to a focal point, add lights to the Nativity to be lighted on Christmas Eve, and anticipate together. 

Blessing of the tree:  
More and more frequently families are blessing their Christmas trees. It is good to remind children that the tree relates to many aspects of our faith. For example, we are reminded that our first parents were not allowed to eat from one tree, and that Christ paid the great price for our redemption by hanging on a tree (cf. Acts 5:29-32).
 

There are many different stories which attempt to explain why we use a tree at Christmas. For instance, St. Boniface in the eighth century gave the balsam fir tree to the Druids in place of the oak tree, the symbol of their idol. He said, The fir tree is the wood of peace, the sign of an endless life with its evergreen branches. It points to heaven. It will never shelter deeds of blood, but rather be filled with loving gifts and rites of kindness.
 

There are more stories and blessings included in McLoughlins Advent and Christmas in a Catholic Home. A family can also participate in Advent through daily Mass, the Liturgy of the Hours, or at least by following the weekday Mass readings at home, as the Church anticipates her Saviors coming, and then His early life following Christmas. A family that participates together in Mass and other activities during the Advent and Christmas seasons will grow closer in Christ The Reason for the Season and give a great witness to friends and relatives.
 

The Jesse tree reminds us of Jesus Davidic ancestry (cf. Mt. 1:1). For a greater understanding of the relationship between the house of David, Jesus, and the Catholic Churchs divine origin, see CUFs FAITH FACT: Rock Solid: The Salvation History of the Catholic Church.
 

Father, all-powerful God, your eternal Word took flesh on our earth when the Virgin Mary placed her life at the service of your plan. Lift our minds in watchful hope to hear the voice which announces His glory and open our minds to receive the Spirit who prepares us for His coming.

We ask this through Christ our Lord. Amen.

The Great O's"

On the evening of December 17 the final phase of preparation for Christmas begins 
with the first of the great "O Antiphons" of Advent. 
These prayers are seven jewels of liturgical song, one for each day until Christmas Eve. 
They seem to sum up all our Advent longing for the Savior.

 

December 17

O Wisdom, that proceedest from the mouth of the Most High, Reaching from end to end mightily, and sweetly disposing all things: come and teach us the way of prudence.

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December 18

O Lord and Ruler of the house of Israel, Who didst appear unto Moses in the burning bush, and gavest him the law on Sinai: come and redeem us by Thy outstretched arm.

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December 19

O Root of Jesse, Who standest as the Ensign of the people, before Whom kings shall not open their lips; to Whom the Gentiles shall pray: come and deliver us, tarry now no more.

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December 20

O Key of David, and Sceptre of the house of Israel; Who openest, and no man shutteth, Who shuttest, and no man openeth: come and lead the captive from the prison house, and him that sitteth in darkness and the shadow of death.

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December 21

O Dawn of the East, Splendor of the eternal Light, and Sun of justice: Come and enlighten them that sit in darkness, and the shadow of death.

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December 22

O King of the gentiles, yea, and the desire thereof, the Cornerstone that makest both one: come and save man, whom Thou hast made out of the slime of the earth.

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December 23

O Emmanuel, our King and Lawgiver, the expectation of all nations and their Salvation: come and save us, O Lord our God.
https://www.catholiceducation.org/en/culture/catholic-contributions/catholic-traditions-for-advent-and-christmas.html