The purpose of Primary 3 Lesson 13: The Baptismal Covenant is to understand that when we are baptized, we make a covenant with Heavenly Father.
This lesson is very similar to Primary 3 lesson 11- go back to those lesson helps to find lesson ideas for Baptism. This post will contain lesson ideas geared towards covenants.
Give your class these Baptism bookmarks to remember the covenants they will make at baptism.
The following links are to LDS.org resources unless otherwise stated.
"Before I Take the Sacrament"- Children's Songbook pg. 73
"Keep the Commandments"- Children's Songbook pg. 146
"The Sacrament"- Children's Songbook pg. 72
"When I Am Baptized"- Children's Songbook pg. 103
"Baptism"- Children's Songbook pg. 100
The Baptism of Jesus (about 3 minutes)- Bible Video
Jesus Teaches of Being Born Again (about 6 minutes)- Bible Video
Rosemary M. Wixom (about 40 seconds)- Encourages us to make and keep sacred covenants
Elder Nelson Talks About Covenants (about 5 minutes)- Making and keeping covenants is a precious doctrine
Baptism, My First Covenant- A Paper to fill out once you have been baptized with all the details. You could fill it out in future tense though as a goal to strive towards.
My Faith in Jesus Christ Grows When I Make and Keep Sacred Covenants- Make a slider movie of the covenants you make
Signs of a Covenant- Look up the scripture reference to match the pictures then color
Keeping Our Baptismal Covenant- Board game