Crush cookies. Pour milk into large bowl. Add pudding mix. Beat with whisk 2 mins. Let stand 5 mins. Stir in Cool Whip and 1/2 of the crushed cookies. Place about 1 heaping T. crumbs in each of 8 to 10 cups. Fill cups about 3/4 full with pudding mix. Top with remaining crushed cookies. Refrigerate. Decorate with gummy worms.