Red, White, and Blue Rice Centerpiece - White uncooked rice, rubbing alcohol, food coloring (red and blue), a clear vase. Divide your rice into 3 equal parts. Place 2 of the parts into 2 baggies, one for red and one for blue. The third part you’ll leave plain white. Add food coloring to each bag (8-10 drops for each color). Add 1 tsp of rubbing alcohol to each bag. This helps with the drying of the rice.