Step 1.
- In a large pitcher, combine vodka and all fruit juices.
Step 2.
- Add the lemon-lime soda and stir gently to combine.
Step 3.
- Layer the grenadine by pouring it slowly into the mixture to create a rainbow effect.
Step 4.
- Add ice to the pitcher, or serve over ice in individual cups.
Step 5.
- Garnish each glass with fruit slices and colorful straws.