1/3 oz of melon liqueur
1/3 oz of blue curacao liqueur
1 splash of 7-up soda (or Sprite)
1/3 oz of amaretto almond liqueur (or almond liqueur)
1 splash of sweet and sour mix
Pour all ingredients into a cocktail shaker half-filled with ice cubes. Shake well. Pour the contents into a highball glass, and serve.