Arrange 14 ice cream sandwiches in an ungreased 13-in.x 9-in.x2-in. dish.
Cut remaining sandwiches in half length wise, and fill in the spaces in the dish.
Spread with caramel and whipped toppings.
Drizzle with chocolate syrup.
Sprinkle with chopped candy bar. Cover and freeze for at least 45 minutes. Cut into squares.