Radirus Filament Refills for 3D Printing Pen, 1.75mm Diameter, High Quality PCL Material, 10 Pcs/Pack

for Children. PCL filament features a lower melting temperature to eliminate risk of burning hands. High-Purity Material. Made of eco-friendly PCL material, not using scrap and recycled material, it will not create pungent odor when extruded from 3D pen, non-toxic, non-irritating and . Ultra-Smooth. High- PCL filament owns 1.75mm diameter to ensure your 3D drawing very smoothly without clogging, discoloration, bubbles, oily residues or breaks. 10 Pcs 164ft Total. This 3D pen filament refill pack enables your child to scribble 3D artistic idea freely, DIY what they want, and brings kids to have fun with crafting and drawing.