ADD boiling water to gelatin mix in medium bowl; stir 2 min. until completely dissolved. Add enough ice cubes to cold water to measure 1-1/4 cups. Add to gelatin; stir until slightly thickened. Remove any unmelted ice. If gelatin is still thin, refrigerate until slightly thickened.
PLACE berries in 4 clear plastic cups; cover with gelatin. Press fruit snacks into gelatin until completely submerged.