Prep time: 20 min.Decoration time: 10 min.
Line baking sheet with waxed paper; set aside.
Place 1 cup of M&M'S® Brand Milk Chocolate Candies in a shallow dish; set aside.
In top of double boiler over hot water, melt 3 squares semisweet chocolate.
Remove from heat and dip 6 pretzel rods into the chocolate, spooning it to coat about 3/4 of each pretzel.
Sprinkle with M&M'S® Brand Milk Chocolate Candies; place on prepared baking sheet.
Refrigerate until chocolate is firm.
Repeat steps 3 through 6 with 3 of squares white chocolate and the remaining 6 pretzel rods.
Place the remaining square of semisweet chocolate in a small microwave-safe bowl; place the remaining square of white chocolate in a separate small microwave-safe bowl.
Microwave at HIGH 30 seconds; stir.
Repeat as necessary until the chocolates are melted, stirring at 10-second intervals.
Drizzle the white chocolate over the semisweet chocolate-dipped pretzels; drizzle the semisweet chocolate over the white chocolate-dipped pretzels.
Sprinkle the pretzels with any remaining M&M'S® Brand Milk Chocolate Candies.
Refrigerate 10 minutes or until firm. Store tightly covered at room temperature.