Pour milk into medium bowl, add pudding mix. Beat until well blended, 1 -2 minutes. Crush Oreos and set aside. Let stand 5 minutes. Stir in cool whip and half of cookies. To assemble: place 1 Tb crushed cookies in bottom of 8oz cup. Fill cups about 3/4 full with pudding mixture. Top with remaining crumbs. Optional garnish: place flower in middle and put gummy worm halfway out of "dirt".