Features: Discover the joy of 3D art with 1.75mm PCL filaments for 3D printing pens, designed for low-temperature and child-friendly crafting. Each filament is compatible with various 3D pen models, ensuring a smooth texture and vibrant output with randomly assorted colors to spark creativity. Ideal for artists and hobbyists, our PCL filaments are non-toxic and safe, making them suitable for children's educational and recreational use. Transform ordinary drawing into immersive experiences at home, in schools, or during workshops with these easy-to-mold filaments that encourage hands-on learning and family engagement. Unleash your child's imagination and enhance their fine motor skills with 3D pen filaments, turning every birthday party or classroom activity into an adventure in 3D expression. Specifications: Material: PCL Length: 5m Quantity: 30 rolls, 20 rolls, 10 rolls (optional) Package Includes: 30/20/10 pcs 1.75mm PCL filaments Note: Please allow 0–1 cm error due to manual measurement. Ensure you are comfortable with this before purchasing. Due to differences between monitor displays, the image may not reflect the actual color of the item.