Preheat your oven to 350 degrees.
Place graham crackers into food processor -Grind them up into crumbs
Add ½ cup melted butter -Stir it in with a fork
Spray a 9x13 pan with cooking spray
Pour the crumbs & press flat into the bottom of it.
Add can of sweetened condensed milk as evenly as possible over the top of the crumbs.
Sprinkle on semi sweet chocolate chips, white chocolate chips, pink candy melts & coconut.
Gently press it all down with your fingers, or a fork.
Bake 30 minutes or until it is bubbly and the edges are golden brown.
Remove from oven & add marshmallows - press in & return to oven for about 2-3 minutes
Remove & cool the bars completely then cut and serve.