Using a standing mixer, combine cake mix, vegetable oil, and 2 eggs until combined.
Divide the batter into four separate bowls.
Mix Yellow food coloring into one bowl.
Mix Pink food coloring into the second bowl.
Mix Teal food coloring into the third.
Mix Black food coloring into the fourth bowl.
Take about 1 TSP of each color of dough and form into tablespoon sized balls.
Pour the sanding sugar into a bowl
Roll cookie dough into the sanding sugar
Place cookie dough balls about 2 inches apart on a parchment paper lined baking sheet.
Lightly push each cookie dough ball down so that it becomes a thick but flat disk.
Allow cookies to completely cool before Enjoying!