Place the sprouts in a colander and rinse with cold water. Drain well. Peel the carrots, cut into cubes and blanch for 5 minutes in boiling salted water. Rinse with cold water and drain. Rinse the tomatoes, cut in half, remove seeds and cut into cubes. Peel the onion, coarsely chop and blanch briefly.
Rinse the cucumber and slice thinly with a plane. Arrange around the edge of the platter. Cut the lime in half. Squeeze the juice from 1 half and mix with vinegar, and oil. Season the dressing with salt and pepper, mix with the sprouts and all the remaining ingredients. Place the sprout salad in the center of the serving dish and top with the other half of the lime, turned inside-out for an interesting garnish.