Step 4: Cut Hole for EL Badge

If you look at the EL Badge, it will also a made up of two circles.  The front circle, and a back circle.  You will want to cut a whole in the front of the hat just slightly smaller than the back circle of the EL Badge.  Again if you cut the hole just right the EL Badge will be can be pushed through the whole and held into place without any adhesive. 

Once you have the hole cut.  Add adhesive around the side of the back circle of the EL Badge and insert it into the hole.  Allow adhesive to dry.

Note: Though it may look more aesthetically pleasing to center the badge vertically with the hat, I would recommend putting the badge higher towards the top of the hat.  If you have a big head like me, you won't be able to pull the hat down over your head further than where the EL Badge is poking through.

I agree with marolyn about the light source of your hat. That's cool but you should keep your instructable here and not link to another site with information that should be here so we don't have to do a run around
Where is the light source coming from for the ball?
in the vid, it looks like 2 laser pointers from above the hat.
Im going to use this for my halloween costum im going to put the disco ball in my hands because im creating a party Robot, but its not like a bunch of squares, im shaping sheet metal to make me look like the guy in the new video game coming out soon. Vanquish
 Neat!  If you went all out you could produce a room full of seizures!
I agree. I have epilepsy and have to shield my eyes from flashy things. If I was under the hat though I would be creating them, not getting them :)
How about setting your next hat to open the top and have the disco ball lift out from the hat when you push the button?<br />
I like that idea... an interactive disco ball ...
awesome ! gona do this for my crazy hat party

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