How Do You Guys Think About The Latest 3d Printing Pen

[3daddict]

I am newbie named David and i am so glad to join the forum which is the biggest and most famous 3D printing platform where there are tons of those technical expert in 3D printing gathering whom I have a question to inquiry,that‘s why i joined the forum.
came across the DEWANG's New Arrival 3D Printing Pen on amazon at https://www.amazon.com/dp/B01M0HECP1 , the amazon seller claimed that it is the fourth generation of 3D printing pen which is pretty new and difference with other products, I would love to buy one for artist DIY intellectual development of my son with 7 years old,wondering how you guys think about，highly appreciated to your professional recommendations and apologize for my poor grammar.