It strikes me that you seem unfamiliar with child development and the concept of mark making which children do naturally if they have access to materials, be it a stick to make patters in the sand at the beach or crayons on the newly decorated wall or a pencil and paper to add kisses to granny's card.
The stages of emergent writing
Young children move through a series of stages as they are learning to write. The stages reflect a child's growing knowledge of the conventions of literacy, including letters, sounds and spacing of words within sentences. Almost every interaction in a child's world is preparing them to become a reader and writer. The indicators of hallmarks within stages are described below.
It's important to remember that there will be variations in the way kids move through writing stages; it may not happen in the same way or at the same time and the lines between the stages can be blurry. Many models of writing development and word study label stages with their own terms using various descriptors. The descriptions below are designed to communicate common writing characteristics.
Scribbling/drawing
Most children begin their writing career by scribbling and drawing. Grasping the crayon or pencil with a full fist, a young scribbling child is exploring with space and form. He is creating a permanent record of his ideas and thoughts. These first scribbles can be proud accomplishments! Thick markers, crayons, and unlined paper are good writer's tools for this stage.
Letter-like forms and shapes
At this stage of writing development, children begin to display their understanding that writers use symbols to convey their meaning. Writing begins to include shapes (circles, squares) and other figures. A writer in this stage will often write something and ask, "What does this say?" There's little orientation of forms and shapes to space (i.e., they appear in random places within the writing or drawing). Tubs of markers, crayons, and paper remain good writer's tools.
Letters!
As a child's writing continues to develop, she will begin to use random letters. Most children begin with consonants, especially those in the author's name. Pieces of writing are usually strings of upper-case consonants, without attention to spaces between words or directionality. At the beginning of this stage, there remains a lack of sound-to-symbol correspondence between the words they are trying to write and the letters they use. Later efforts may include letters for the salient sounds in words and include the author's own name. Different types of paper, including memo pads, envelopes, lined paper and some smaller pens and pencils are good writer's tools at this stage. Tubs of foam letters and letter magnets are also handy.