Line a sheet pan with parchment paper. Set aside.
Gather 2 medium bowls, in the first bowl combine ½ cup melted white chocolate and a few drops of orange food coloring. Add in the 3 cups of popcorn and ½ cup of pretzels, and toss.
Spread the orange popcorn mixture onto the sheet pan and sprinkle half of the mini candy eyeballs on top.
Take the second medium bowl and combine ½ cup melted white chocolate and a few drops of purple food coloring. Add in the 3 cups of popcorn and ½ cup of pretzels, and toss.
Spread the purple popcorn mixture onto the sheet pan and sprinkle the rest of the mini candy eyeballs on top. Place in the refrigerator until the white chocolate has set.
Break apart and Enjoy!