Testing the 7Tech 3D Pen

In this review, I put the 7Tech 3D pen through it's paces, and build a funky planet.
Get the 7Tech Pen here : http://bit.ly/7Tech3D
Watch my newer video to find out about the cheaper versions : https://youtu.be/HcZt3oYIgf4

*this pen was sent to me for free in exchange for an unbiased review*