During their fifth year of life, preschoolers’ coordination and ability to use their hands is almost fully developed, and they become more interested in arts and crafts. They are now capable of copying more complex geometric patterns, such as stars, diamonds, triangles, and squares.
Shelov, S. P. (Editor-in-Chief). (2004.) Caring for Your Baby and Young Child: Birth to Age 5. The American Association of Pediatrics. Revised edition. New York: Bantam Books.