... of advertising pen, such as the exclusive Puzzle Pen, PDA handwritingPen, Multi-color Pen and Modification Fluid Pen, etc.1.The Puzzle Pen was exclusively ... 4.There is a hanging cord on the Round Puzzle Pen makes it more convenience.Features:--Mateial: AS,ABS.--Technology: ... 7MM--Refill ink: blue.black and red for your choice--Type: ball pen--Pen color: blue,black,green,red ,yellow,white & can special ...