Spray a 9x13-inch baking pan with nonstick cooking spray.
In a medium mixing bowl, combine graham cracker crumbs and melted butter until combined.
Press graham cracker mixture into the bottom of prepared baking pan.
Sprinkle caramel bits over graham cracker crust.
Sprinkle chocolate chips over other layers.
In a small mixing bowl, combine sweetened condensed milk, pumpkin puree and pumpkin pie spice.
Pour pumpkin mixture over crust and other layers.
Sprinkle coconut in an even layer over the top.
Bake for 35-45 minutes, or until the edges are golden brown and the middle is set up.
Notes
Kraft caramel bits are little pieces of caramels. They are about the size of a chocolate chip. They are not wrapped. They are sometimes on the baking aisle in the grocery store or even on the candy aisle by the regular kraft caramels.