Sure winner with kids on a hot summer day.

Place all ingredients into a blender in the order listed.
Blend at a low setting for the first minute, then the high setting until smooth.
Serves 4.
Source:
http://parentingteens.about.com/od/recipesforkids/
Ingredients
Directions
Place all ingredients into a blender in the order listed.
Blend at a low setting for the first minute, then the high setting until smooth.
Serves 4.