Peel the pineapple, dice it, and put into a large bowl.
Peel and dice the mango.
Wash and pick the grapes off the vine.
Put the grapes in the small bowl.
Once all the fruits are washed, peeled, cut, and put into bowls...
Blend all the fruits in the blender.
Once the fruits are all blended...
Serve tropical fruit juice in glasses and enjoy!