Line 8x8 pan with foil and spray with nonstick spray.
In medium saucepan, heat semi sweet chips and 1/2 can of sweetened condensed milk over low heat.
Stir constantly until melted and smooth.
Remove from heat and stir in vanilla.
Transfer to prepared pan and spread to cover bottom of pan.
Press 1/2 of candy corn into mixture.
Refrigerate for 15 minutes.
In medium saucepan, heat orange chips and 1/2 can of sweetened condensed milk over low heat.
Stir constantly until melted and smooth.
Remove from heat and stir in vanilla.
Transfer to prepared pan and spread over previous layer.
Press remainder of candy corn into mixture making sure to leave somve visible on the surface.
Refrigerate to set.