Features: Discover the joy of 3D art with 1.75mm PCL Filaments for 3D Printing Pen, for low temperature and child friendly crafting. Each Filaments to be universally for various 3D pen models, ensuring a smooth texture and vibrant output with randomly assorted Color to spark creativity. for artists and hobbyists, our PCL filaments nontoxic and friendly, making them safe for children educational and recreational use. Transform ordinary drawing into immersive experiences home, in schools, or during workshops with these easy to mold filaments that encourage hands on learning and family bonding. Unleash your child imagination and enhances their fine motor skills with 3D pen filaments, turnings every birthday party or class into adventure in 3D expression. Specifications: Materials: PCL Length: 5m Quantity: 30Rolls, 20Rolls, 10Rolls(optional) Package Includes: 30/20/10Pcs 1.75mm PCL Filaments note: Please allow 0-1cm error due to manual measurement. please make sure you not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual of the item.