Blackboard background micro stereo teaching training courseware ppt template

Green blackboard background with operation symbols, creative design covers for books, green globes, pencils, rulers and other headline text, micro-stereo style design, simple and exquisite typography, suitable for informational teaching, teaching training courseware, teacher talk, courseware Chalkboard background micro three-dimensional teaching theme ppt template.

Green blackboard background with operation symbols, creative design covers for books, green globes, pencils, rulers and other headline text, micro-stereo style design, simple and exquisite typography, suitable for informational teaching, teaching training courseware, teacher talk, courseware Chalkboard background micro three-dimensional teaching theme ppt template.