Toddlers' first lines are formed by chance, arising from a sensorimotor need. They notice and discover that their body movements can leave a mark on substances. Jasmin Berman Gili Bendersky Ruth Hillel They try this magic countless times with immense enjoyment. They then create deliberate lines and marks in their porridge that smear onto the table, into the sand, and later onto paper. Orly Cohen Shulman Nona Orbach I have always felt magic in moments when I could witness how