ADD boiling water to gelatin mix in medium bowl; stir 2 min. until completely dissolved. Gradually add to marshmallow creme in large bowl, beating with mixer after each addition until well blended. Stir in juice.
POUR evenly into 12 paper or plastic cups. Use back of spoon to gently press 2 Tbsp. marshmallows into gelatin mixture in each cup. Freeze 1 hour or until almost firm.
INSERT wooden pop stick into center of each cup. Freeze 4 hours or until firm. Remove from cups before serving.