Here is a kid-safe 3D printing pen that inspires creativity, design, and spatial understanding in your kids. The 3Doodler Start uses a uses a proprietary child-friendly PCL plastic. It doesn’t have any hot parts and poses no risk of burn. Its companion app offers your kids a more interactive 3D doodling experience.
The 3Doodler Start pen comes with an activity guide but you can use hundreds of free stencils to print all kinds of fun thing.[where to get it]