chalkboard, board, blackboard
alphabet, abc, spelling
graduation, monster, cute
ruler, school supplies, stationery
teacher, man, lecture
table, meeting, business
teacher, property, plant
ruler, primary, illustration
chalk, blackboard, chalkboard
teacher, learning, school
e-commerce, shopping, office
ruler, stationery, illustration
child, clipart, cute
star, interstellar, color
pattern, art, design
technology, classroom, education
mask, african, artefact
classroom, flag, church
office, supplies, tape
