Product Details FUN 3D PEN FOR KIDS: This 3D printer pen is specifically designed with kids in mind, making it an ideal tool for creating various small gadgets and toys. The pen features a constant temperature design set at a safe 40-45 degrees, ensuring that children can use it without the risk of burns. It's intuitive and easy to control, making it accessible even for young beginners VERSATILE COLOR FILAMENTS: The pen comes with 13 rolls of vibrant color filaments, each roll is 61ft . This set provides ample material for multiple projects, allowing kids to bring their creative ideas to life. Whether they are making simple shapes or intricate designs, the variety of colors meets various needs for 3D DIY crafts IMAGINATION AND HANDS-ON ABILITY IMPROVEMENT: The kids' 3D pen serves as both a fun and educational toy. It helps cultivate children's hands-on abilities and enhances their 3D imaging capabilities. Through the process of 3D printing, kids can learn important STEM skills while enjoying themselves, making learning an engaging and immersive experience CHILD FRIENDLY 3D PEN: Equipped with a USB rechargeable design, this 3D pen ensures convenience during use. The pen features an ergonomic shape, comfortable for little hands to hold even for large projects