Creative 3d art set your imagination free with the 3d printing pen. Works like a hand-held version of a desktop 3d printer. It extrudes heated plastic which instantly hardens, allowing you to literally draw freehand in 3 dimensions. The possibilities are endless and only limited by your imagination. Fun for all ages this 3d pen is suitable for both kids and adults. A perfect gift for children that helps improve their spatial thinking ability and develops creative imaginations. It's a great way for parents and kids to spend quality time together. Create a colorful world for your family. Improved version the 2nd generation 3d printing pen is an upgraded and improved version of the popular 1st generation 3d printing pen. It features easy handling for freehand drawing, quick filament color changes and smoother extrusion for better drawing performance.