01 - Place four tall glasses in the freezer for 10 minutes to chill, if desired.
02 - Pour 1 tablespoon of cherry syrup into the bottom of each chilled glass, if using.
03 - Scoop two generous portions of vanilla ice cream into each prepared glass.
04 - Slowly fill each glass with 1 cup of cherry soda, letting bubbles settle before topping off as necessary.
05 - Top each float with a swirl of whipped cream, a maraschino cherry, and a sprinkle of rainbow sprinkles.
06 - Present floats immediately with straws and long spoons for serving.