Combine: In a bowl, add 2 cups mango yogurt and 6 tablespoons chia seeds. Stir to combine and place in the refrigerator for 1-2 hours.
Fill Popsicle Mold: Take popsicle molds and alternate filling with chia pudding and mango puree until mold is almost full. When the molds are about halfway full, add 2 slices of banana and then continue filling.
Freeze: Place in freezer and freeze until frozen all the way through (preferably overnight).