Put water in a bowl, drop random colors of nail polish in and swirl with toothpick. put petroleum jelly on your fingers so the polish only sticks on nails not your fingers. Stick fingers in bowl, nail polish should float on top of water.
SUPER SIMPLE POLKA DOT NAIL ART : Place the end section of a small plastic bandage over a dry polished nail. Cover each hole with a contrasting nail polish color. Immediately remove the bandage from each nail and let dry.