To make these butterflies, you will need some wooden clothespins and a package of paper handkerchiefs.
Decorate the wings with felt-tip pens then run a wet brush over them. The felt-tip colors will blend together.
You can use just watercolor paints:
To make your butterflies dry faster, you can use a blowdryer. To make the feelers, roll a wet piece of colored paper handkerchief then glue it on the clothespin.