High Quality 3D Printing Pen,100m PLA Filament 1.75mm,DIY Pen With Case,Finger Sleeve,Pen Holder,USB Power,Kids Educational Toys High Quality 3D Printing Pen,100m PLA Filament 1.75mm,DIY Pen With Case,Finger Sleeve,Pen Holder,USB Power,Kids Educational Toys. Sale price : $5.64 Category : Computer & Office