1 tbsp of sugar
orange squash (or blackcurrant squash)
3 of rock melon (or Watermelon Juice)
3 of pineapple
1 1/2 oz of Bacardi white rum (or Light Rum)
Muddle rockmelon and pineapple chunks with sugar in the bottom of a highball glass. Add Bacardi white rum and a few ice cubes. Top with orange squash (premixed with water as per normal cordial ratio).