I made this blinking Xmas tree hat for EMO with some foam and multicolor LEDS
I am making a DIY Tuto ( pdf ) with some tips for those who could be interested in this way
( nothing professionnal , just crafting - but , as said , " If you remove a pebble on your way , you remove it also for those who follow )
Let me know
you may see it on a video post Nr 28 on following topic
EMO Christmas Movie Modern Story, Vintage Style