Whip the olive oil, lemon juice, vinegar, salt and pepper vigorously and add the thyme leaves. Refrigerate.
Prick balls out of the pulp with an ice cream scoop. Place the lettuce leaves on deep plates and drizzle with the salad sauce all around. Spread the melon pieces, sheep`s cheese, olives, salads, rocket, pumpkin and sunflower seeds decoratively over the top and serve immediately.
It looks very nice when all the ingredients are served on a hollowed-out quarter of the watermelon.