Green chalkboard on wooden easel. Blackboard in wooden frame on a tripod. Presentation board with text, writing or drawing surface. Online studying, e-learning and education. Vector illustration. Poster #636404288
Green chalkboard on wooden easel. Blackboard in wooden frame on a tripod. Presentation board with text, writing or drawing surface. Online studying, e-learning and education. Vector illustration. Poster #636404288
