Melt the margarine in a pot on the stove on low heat.
Add the marshmallows and stir constantly also on low.
When marshmallows are a sticky tacky substance then it's time to remove from the heat
Add Cheerios.
Stir to coat.
Add crushed pretzel sticks
Stir to coat.
Add the smarties and stir a couple more times but not so much that the colours vanish.
Drop them by the spoonful onto a cookie sheet.
Press into a nest shape with a tablespoon.
After they cool slightly then add three jelly beans to the top of each as decoration.
Once all the individual nests are on a plate for serving then add sprinkles and enjoy!