1. Peel the bananas and cut them in 2. Remove the ends and set them aside for another use such as a fruit salad for example.
2. Half push each stick into half a banana and place the lollipops flat on a plate lined with baking paper. Store in the freezer for 1 hour.
3. Melt the chocolate with the butter and let cool.
4. Dip the popsicles in the melted chocolate and turn them to let it run lightly along the bananas. Sprinkle the top of each lollipop with sugar balls or sprinkles and store in the refrigerator for 2 hours before eating.