How to make a Light up full head mask?

i have decided to try and make a mask and came up with a design but i do not know how to make one. the mask is featureless and only has eyeholes. there will be a stripe down the middle that has symbols on it. the part of the stripe that is oncovered by the symbols will light up white. i need to find a way to make it while the lights will not harm my eyes.

There are many mask making instructables on the site. The great things about LEDs is they are very directional in emitting light. So a strip of LEDs running down the center of the mask shouldn't affect your eyes at all.