Ключевые слова: advertising, back to school, backpack, banner, blue background, child, copy space, copyspace, education, empty space, girl, grade, happy, header, horizontal, kid, knowledge, knowledge day, learn, learning, mock up, mockup, nerd, poster, preschooler, promotion, pupil, sale, school, school bag, school girl, school time, schoolbag, schoolchildren, schoolgirl, schooling, schoolkid, september 1, student, study, studying, teen, teenage, teenager, yellow background,