Mix black glue by adding several squirts of acrylic paint into a half-empty bottle of glue. Shake thoroughly.
Draw flower sketches with a pencil or right away with black glue.
Let the glue fully dry.
Use watercolor paints in the background.
Use contrasting watercolor paints inside the flowers.
Let the painting fully dry.
Notes
Beginner painters can experiment with different watercolor techniques, such as adding salt to the wet paint, using plastic wrap to add texture, or other ways to blend colors by using a wet-on-wet technique.