A 3D printing pen is like a handheld 3D Printer.A 3D Printing pen is pretty much a bulkier version of a normal pen, but instead of ink or lead, it uses a plastic filament. It draws physical objects in thin air, making it a sort of handheld version of a 3D printer.
3D pens can be useful to people of all ages and ability levels. This freeform drawing aspect is also what makes 3D pens especially appealing to kids
 
Wanna work some project with your child.
Well we have the solution for that, here is a 3D pen, just help your kid desgin and print the object with the 3D pen. Easy to use. No harm for kids.