This 3D printing pen is for creating colorful and intricate designs. The low-temperature PCL material is safe for children, making it an for educational and recreational activities. Its high- composition ensures that the flows smoothly, allowing for precise and detailed drawings. Features -Color:Multi -Material:PVC -Size:300.00X0.20X0.20cm/117.90X0.08X0.08in -Safe for young artists: the lowtemperature pcl material is safe for children, making it for young creators -Fits all pens: compatible with all lowtemperature 3d pens, offering flexibility and convenience -3d creativity: the 's design supports the creation of threedimensional doodles, enhancing creative expression -Consistent quality: professionalgrade material ensures clear and stable printing results, ideal for various projects -Colorful choices: available in multiple colors, providing for creative and colorful designs Package list: 15 x rolls of printing pen supplies