2 oz. Sour Mix - (more) 1 oz. Lemon Lime Soda - (more) 3/4 oz. Vodka - (more) 1/2 oz. Amaretto - (more) 1/2 oz. Blue Curacao - (more) 1/2 oz. Creme de Noyeaux - (more)
Layer in a parfait glass with ice. Whirl gently with a straw.