Trifle bowl or large glass bowl.

6 Skor bars (break into small pieces)
1 lg. Cool Whip or whipping cream
2 pkgs. instant pudding, chocolate (prepare as directed)
1 choc. cake mix, bake as directed, break into pieces

Chocolate cake pieces
Skor bars
Pudding
Cool Whip

Repeat layers, ending with Skor bars on top.