Scale ingredients for 1 serving:

4 cinnamon
1/2 cup sugar
2 cups water
3 cups orange juice
1/4 cup lemon juice
1 cup pineapple juice
2 liters 7-Up® soda

Method:

In a sauce pan simmer cinnamon with water and sugar about 5 minutes. Cool. In a large bowl, combine cinnamon mixture with orange juice, lemon juice, and pineapple juice. Pour in 7-Up just before serving.