📏✏️

#straight edge #school supply #alat tulis #pembaris lurus

BIC🖊️

#bic pen #ballpoint pen #disposable pen #office supply #school supply #boligrafo

✍️🪨⚪

#calcium carbonate #chalk #blackboard chalk #writing chalk #school supply #rock dust #white chalk

✏️⚫️

#graphite #lead #school supply