The Holy Supper has been established by the Lord in order that the church may be joined by means of it to heaven and so to the Lord. This is why it is the holiest thing of the church. (Arcana Coelestia 10519)

From the Lord's Word:

The Holy Supper (a PDF version for printing)
The Holy Supper (HTML version)

Reading:

Read about the concept in "The Holy Supper" by the Rev. Patrick Rose
"The Holiest Act of Worship" by the Rt. Rev. Louis King

Family Lesson:

The Feast of the Passover (ages 12-15) (PDF)
The Holy Supper (ages 15-18) (PDF)

Activities:

Prayers for Teens on God's Salvation (PDF)
 Blessings (PDF)
Journal: Where Do I Need the Lord to Touch My Life? (PDF)
Making Promises at Baptism and in the Holy Supper (PDF)

Projects:

Double Temple (PDF)

Coloring Page:

The Lord Celebrates the Passover with His Disciples (PDF)

Songs:

"Take, Eat" by Lori Odhner (PDF)
Behold, I Stand at the Door and Knock (PDF)