Preheat oven to 375 degrees.
Unwrap caramels, and cut each one into 4 small pieces. Set aside.
Wash apples, and slice into pieces. Set aside.
In a large bowl, combine oats, flour, brown sugar, and cinnamon.
Cut in butter until crumbly using 2 butter knives.
Spray with non-stick spray a 9 x13 glass dish.
Reserve 2 cups of mixture.
Press remaining crisp mixture into bottom dish.
Layer 1/2 apples, 1/2 caramels, sprinkle 1 cup of crumbled crisp mixture on top.
Repeat layers with crumble crisp mixture on top.
Bake 375 degrees for 45 minutes.
Serve with ice cream.