The Cybermen like to convert people into robots like themselves and if you wanted to be come a Cyberman then this is probably the closest you will ever come.
Because now there is a Cyberman mask that makes your head look just like one of them and that of course is great for a costume party or Halloween.
And if many people notice you as Cyberman then maybe the Doctor will hear about it to and then he may stop bye to end you life as a member of the Cybermen army.
So get ready to get dress like a Cyberman by wearing this Doctor Who Cyberman Mask.