Amazon.com: eSUN Water Soluble PVA Filament 1.75mm, 3D Printer Filament PVA, 0.5KG Spool 3D Printing Filament for 3D Printers, Natural : Industrial & Scientific
Reprapper Triple Color Filament Coextrusion PLA Filament 1.75mm for 3D Printer & 3D Pen, Multicolor Like Dual Color Rainbow PLA, 2.2lbs (1kg)