# Preparation steps:
01 - Add ice cubes, cold water, lemon juice, granulated sugar, and blue raspberry syrup to the blender.
02 - Blend on high speed until the mixture achieves a smooth, slushie-like consistency.
03 - Taste and modify sweetness or tartness by adding additional sugar or lemon juice as needed.
04 - Moisten the rims of serving glasses and dip them in blue sanding sugar for a decorative presentation.
05 - Transfer the blended mixture into prepared glasses.
06 - Top with lemon slices, fresh raspberries, and mint leaves. Serve immediately for optimal refreshment.