Begin by preparing your margarita glass. Pour a thin layer of light corn syrup onto a small plate. Carefully dip the rim of the glass into the syrup, ensuring it's coated evenly. Next, immediately roll the rim in a pile of Red Pop Rocks, pressing gently so they adhere well. Set the glass aside, and admire your colorful creation!

In a cocktail shaker, combine 2 ounces of tequila, 1 ounce of freshly squeezed lime juice, and 1 ounce of blue curaçao. Fill the shaker with ice, covering the liquid well. Secure the lid tightly, and shake vigorously for about 20 seconds, until the shaker feels cold to the touch and the ingredients are well combined, revealing the cocktail’s vibrant color.

Carefully strain the mixture from the shaker into your prepared margarita glass filled with fresh ice. Watch as the beautiful blue liquid cascades over the sparkling Pop Rocks, creating a stunning visual display. Pour slowly to avoid splashing and ensure you fill the glass to your desired level.

For a festive final touch, add a small American flag to the rim of the glass as an optional garnish that enhances the summer spirit. Serve the Firecracker Margarita immediately while the Pop Rocks are still crackling, ensuring your guests enjoy both the stunning visuals and delightful flavors of this perfect summer cocktail!