Crenova 3D Printing Pen Stereoscopic Craft Drawing Printer Doodler with LED Display & 2 Packs of 10 Meters 1.75MM PLA Printer Filaments Yellow * 2015 Latest 3D Stereoscopic Printing Pen, excellent tool for 3D Drawing, Arts and Crafts Printing. * Easy to change color: filament is changed easily by pressing a button. * Lighter weight in design and easier printing speed control * Super silence design Intelligent standby modes * Best Gift for Friends, Family and Kids