Ключевые слова: art, background, black, blackboard, blank, blue, board, chalk, chalkboard, clean, colored, colorful, copyspace, crayon, details, drawing, education, empty, frame, german, green, kindergarten, material, nobody, object, old, pieces, preschool, red, school, slate, student, study, table, thank you, vintage, white, wooden, word, write, writing, yellow,