1 1/2 oz of blue curacao liqueur
1 splash of 7-up soda (or Sprite)
1 1/2 oz of Bacardi white rum (or Light Rum)
6-8 oz of Pineapple Juice
Fill lower half of glass with ice cubes. Add rum and curacao. Fill glass with pineapple juice and a splash of 7-up. Stir slightly and serve.