Low-Temperature Creative 3D Printing Pen Set

This is an ergonomic, child-friendly 3D printing pen designed as a creative arts and crafts toy. Design & Colorways: The ad image displays three color variations: pastel pink (featured in the center), bright cyan-blue, and a classic black-and-white option. The pens feature a contoured, lightweight body crafted for small hands. Interface Elements: Each pen is built with a small digital LCD display screen that monitors the filament mode (showing a "PLA" indicator light). Below the screen is a mode button ("M") and dual control arrows along the side to regulate the extrusion speed and feed.