Mathematical Set 1)a great varity 2)easy to take 3)mulit-purpose Mathematical Set:Outer tin box with customer's logoInner stuff: 2pcs zinc alloy compass, 1 ball pen, 1 ruler, 2 set squares; 1 protractor,1 eraser, 1 pencil sharpener;Packing: 1 set/ color paper wrap, 12 sets/inner box, 144 sets/ctnMOQ.: 100,000 sets mulit-function Mathematical Set