<prompt> In developmental milestones of children, first drawsZeroTriangleQuadrangleRectangle  <response>: A Zero Scribbling on paper with a crayon or pencil. The child scribbles spontaneously by 12-24 months, copies arid draws a horizontal or vertical line at 2 years; a circle by 3 years, a cross plus sign by 4 years and tilted cross multiplication sign by 5 years. He can draw a rectangle by the age of 4 years and a triangle by 5 years. 