Prep cookie sheets with parchment or waxed paper.
Line up popcorn, marshmallows, M&Ms, and sprinkles on countertop.
Start by filling cookie sheets with one single layer of mini pretzels.
Melt chocolate morsels in a microwave-safe container in microwave about 2 minutes and stir with a spatula to remove any lumps. (Microwave times may vary)
Pour melted chocolate into a gallon zip bag or pastry bag. If using a gallon bag, snip off a little corner. I also like to cut of the zipper top, but it's up to you.
Drizzle melted chocolate over pretzels. The more chocolate, the more surface area for toppings to stick.
Press popcorn, M&Ms, marshmallows, and sprinkles on pretzels.
Let trays sit about two hours before breaking into pieces. You want the chocolate to harden.
Break apart clusters and serve as a snack, or store in an airtight container.