01 - In each glass, muddle half of the raspberries, mint leaves, and 2 lime wedges with 1 tablespoon simple syrup until the berries are crushed and mint is fragrant.
02 - Fill the glasses halfway with ice cubes.
03 - Pour in ½ cup sparkling water and ½ cup lemon-lime soda into each glass. Stir gently to combine.
04 - Top each glass with a scoop of vanilla ice cream.
05 - Garnish with extra raspberries, mint sprigs, and a slice of lime. Serve immediately with a straw and spoon.