Note: This accessory is a third-party product and is not manufactured or endorsed by .It is compatible with 3Doodler products. Description Designed for use with pens, this set features PCL material that ensures low-temperature operation, making it safe for children. The vibrant colors inspire creativity and allow for a wide range of artistic projects. Ideal for educational purposes or home crafting, these filaments provide a reliable and enjoyable 3D printing experience for young users. Features -Color:Multi -Material:PCL -Size: 15.00X0.25X0.25cm/5.89X0.10X0.10in -Childfriendly material: uses low temperature pcl , making it safe for children to use and reducing the risk of burns -Fosters creativity: encourages children to explore their creativity and create 3d art, improving their spatial thinking skills -Accurate extrusion: the diameter ensures smooth and precise extrusion, resulting in 3d drawings -Multiple settings: ideal for use in homes, schools, suitable for both beginners and experienced -Simple operation: easy to use with no need for complex settings, allowing for immediate and creative expression Package list: 150 x Printing Pen Refill