Not that easy. Tuning eyes require filament and high voltage. You need an extenision cord or lots of batteries.
Why not do something with LED's.
Norm
:I just thought of a neat thing for a halloween costume mask. If you put two tuning eyes in place where your eyes go and have the eye open and close at random. How hard would this be to do and would I need a huge power supply to strap on the kid
Terry F
http://www.instructables.com/id/Anglerfish-mask/?ALLSTEPS
Terry F
https://home.mchsi.com/~laz456/2006%20great%20mask/LED%20eyes/LED%20how-to.htm