3D Printing Pen with metal gearbox assorted (Sent At Random)

3D Printing Pen with Metal Gearbox (Assorted) offers smooth, precise filament feeding for reliable and consistent performance. Built with a durable metal gearbox for improved control and longevity, this pen is perfect for drawing, crafting, and creative 3D projects. Easy to use and fun for all skill levels, it encourages hands-on creativity and screen-free learning. Applicable materials： 1.75mm ABS / PLA Power input： DC 5V 2A 10W QY817 - this 3D-printing pen has been upgraded with the following improvements: 1. Metal gearbox, motor and gears for higher durability. 2. A heat-insulating collar around the nozzle to prevent accidental burns. 3. Larger, clearer display and faster heating. 4. Fully enclosed internal gearing to keep debris out and eliminate jams. 5. Motor firmly secured inside the housing—quieter operation and longer service life. 6. Stepless speed control, letting you adjust the filament-feed rate freely while printing.