Stir the boiling water into gelatin in large bowl at least 3 minutes until it is completely dissolved. Cool for 30 minutes at room temperature. Pour the milk into medium bowl. Add pudding mix. Beat with wire whisk 1 minute. Quickly pour into Jell-O. Stir with wire whisk until well blended. Pour into 13 x 9 inch pan. Refrigerate 3 hours or until firm. Dip bottom of pan in warm water about 15 seconds. Cut into decorative shapes with cookie cutters all the way through gelatin or cut into 1 inch squares.