01 -
Fill a large glass to the top with ice cubes, ensuring a stable base for layered pouring.
02 -
Pour Cherry 7-Up and grenadine syrup mixture into the glass until one-third full, establishing the vibrant red base.
03 -
Using the back of a spoon angled inside the glass, slowly pour piña colada mix over the red layer to form a distinct white middle, filling the next third of the glass.
04 -
Gently pour blueberry-flavored Kool-Aid or blue sports drink over the back of the spoon to fill the glass to the top, maintaining clear separation of layers.
05 -
Place a maraschino cherry on top and, if desired, serve with a festive straw.