This 3D printing pen is a fun and educational tool for kids and adults alike. It uses PCL filament, which is a biodegradable and non-toxic material. The pen has an adjustable sprinkle speed and a heating temperature of 180-220 degrees. It is wireless and has a low temperature design, making it safe for children to use. The pen comes with a USB cable, scissor, sticker, packing box, picture album, copy board, and dredging needle. It is a great gift for kids who love art, science, and technology.