Get a tall glass,Pour in orange juice 1/4 of d glass

Fill up d glass with crushed ice.

In a separate cup,pour in sprite and add a drop(use tooth pick) of blue colour to turn d sprite blue.

Add d blue sprite slowly to d glass filled up with ice,You'll see a shade of green appear in bwt d orange juice and d Sprite.

You can garnish with a slice of orange or a cocktail umbrella!