16 Blackboard erasers; Blackboards; Drawing instruments; Memo pads; Paper; Pen clips; Printed educational material, namely, teaching tiles; Printed educational materials in the field of arithmetical tables, calculating tables; Staples for offices; Stationery; Stickers; Printed instructional, educational, and teaching materials in the field of graph paper, illustration boards, geographical maps, printed lectures, paper signboards, tracing paper, tracing patterns, writing or drawing books, arithmetical and calculating tables; Stick markers