Take ice cream out of freezer and let soften while preparing the pan and ice cream bars.
Prepare a cheesecake pan by lightly spraying with Pam.
Cut the ice cream bars in half and arrange around the pan standing on end. Spread one flavor of ice cream on the bottom of the pan.Then lay ice cream bars flat on top ( I usually use 2 1/2 bars. Then spread another layer of another flavor on top of that and ice cream bars on top again. Then spread last flavor on top of ice cream bars and top with cool whip.Cover with plastic wrap and freeze overnight or at least till firm.
Take out and let stand at room temp for about 15 minutes. remove sides of cake pan. Slice and serve.