Preheat oven to 350. Line a rimmed baking sheet with foil. Place graham crackers in a single layer on the sheet, edges touching. Sprinkle the almonds and toffee chips over the graham crackers.
In a small saucepan, bring the sugar and butter to a boil over med-high heat. Reduce heat and cook at a rapid simmer, swirling pan occasionally, until syrupy approx 2 minute Immediately pour over the graham crackers. Bake until the sugar topping is bubbling, approx 12 minute Remove from oven and immediately sprinkle with chocolate chips. As the chocolate melts smooth out the chocolate and sprinkle with sea salt. Cut into 2 inch squares with a pizza cutter. Let cool on a wire rack.