Opening Song: The Holy Ghost
Lesson: Read this brief history of St. Patrick. Point out that St. Patrick's life was a hard one but because he never stopped having faith he was able to be guided to do wonderful things. Talk about his using the shamrock as a lesson on the Godhead. Repeat together the first article of faith.
Talk about how the shamrock has three separate leaves but are joined together on the same stem. discuss why Heavenly Father, Jesus Christ, and the Holy Ghost are different/separate and how they are similar or considered "as one". Here are some articles with ideas or answers to these questions that you can read before you give the lesson:
You can write these down on a big cutout or drawing of a shamrock. Write the differences on the leaves and the unifying elements on the stem.
Closing Song: I'm Trying to Be Like Jesus
Treat: Green Rice Crispie Treats
Game: St. Patrick's Memory Game (Print out two copies onto thick or color backed paper)