colorful puzzle pen 1.20/12 patches to form a painting 2.designed & produced ourselves 3.Patent No.2009201302836 4.CE ROHS colorful ... of advertising pen, such as the exclusive Puzzle Pen, PDA handwritingPen, Multi-color Pen and Modification Fluid Pen, etc.1.The Puzzle Pen was ... ink: blue.black and red for your choice--Type: ball pen--Pen color: blue,black,green,red ,yellow,white & can special ...