Kamen Rider Wizard helmet lens?

[Zxgamer]

I'm trying to build a Kamen Rider Wizard Helmet but I don't know what to use for the giant red lens

examples


http://senpuu.com.br/wp-content/upl...ivX6.8.4-TQ3-1280x720-24fps-614DE178-2010.jpg

http://4.bp.blogspot.com/-S_X2qFbkIEs/UHbS13dgw7I/AAAAAAAAeY4/MDYn3kTxpXk/s1600/24untitled2.png