Line a cookie sheet with wax paper and then lay the pretzels out in a single layer.
Heat the orange candy chips by microwaving for 30 seconds, stirring and repeating until melted. Allow to cool for 2-3 minutes.
Dip each pretzel in orange candy to coat the entire pretzel and place on the baking sheet to set.
Transfer candy to corner of zippered bag and clip a tiny piece off of the corner to pipe.
Pipe candy over inside of pretzel (where the holes are) to form the shape of a pumpkin. Smooth with spatula or finger if necessary.
Place 1 mini M&M on top (where the indention is) for the stem. Add more melted candy on M&M as glue if needed.
Place cookie sheet in refrigerator for 20 minutes to allow candy to set.
You can also melt one black candy chip for 45-60 seconds and use a toothpick to paint on a Jack O Lantern face.