Preheat oven to 350℉. Line a large baking sheet with parchment paper.
Arrange the 18 graham cracker sheets on top of the parchment paper, cinnamon side up with the crackers touching.
Melt butter and brown sugar in a small/medium saucepan over medium heat. Bring to a boil for 2-3 minutes, whisking constantly until thick and bubbly.
Pour the mixture over the graham crackers and spread with a spatula so all the crackers are covered.
Bake in the oven at 350℉ for 4-5 minutes.
Remove from the oven and sprinkle on the chocolate chips. Once they have stated to melt, spread with a spatula evenly across the crackers.
Top with the candy toppings of your choice.
Place pan in the fridge until the chocolate hardens, about 2 hours.
Break into pieces and serve.
Store any leftovers in an airtight contianer.