Sandwich Sundaes

1 box ice cream sandwiches
1 jar caramel pecans
1 jar caramel
1 can chocolate syrup
1 container whip topping

Cut the sandwiches into small squares and place a layer in a 9 by 13-inch pan. Spread a layer of whip topping over sandwiches. Spread pecans, caramel and syrup over topping. Repeat for 2 or 3 layers, and freeze for at least 1 hour