Put the condensed milk, yogurt and passion fruit pulp in a bowl. Beat until obtaining a soft and creamy mixture.
Remove the orange pulp with a knife and shape the peels like Halloween pumpkins.
Dice the strawberries, pineapple, mango, and put them in a bowl. Add blueberries and raspberries and stir. Stuff the oranges with diced fruit.
Add a couple of spoonfuls of mousse over the fruit and put in the fridge for 3 hours.