Caramel Chocolate Trifle

1 package (9 ounces) devil's food cake mix
2 packages (3.9 ounces each) instant chocolate pudding mix
1 carton (12 ounces) frozen whipped topping, thawed
1 jar (12-1/4 ounces) caramel ice cream topping
1 package (7-1/2 or 8 ounces) English toffee bits or almond brickle chips

Prepare and bake cake according to package directions for an 8-in. square baking pan. Cool on a wire rack. Prepare pudding according to package directions. Cut cake into 1-1/2-in. cubes; place half of the cubes in a 3-qt. trifle bowl or large glass serving bowl; lightly press down to fill in gaps. Top with half of the whipped topping, pudding, caramel topping and toffee bits; repeat layers. Cover and refrigerate until serving. Yield: 16 servings.