This is a great idea for a costume.
If you have any ideas or suggestions im happy to hear them.
Step 1: Step 1: the Supplies
1"x1"x4" piece of plexiglass
about 25-50' of wire (I used phone wire)
an LED from a cd player from a PC (must have three prongs on it)
an Altoids tin
two push button switches
three 'AA' batteries
piece of aluminum or any other metal
The tools needed:
a soldering iron
and always wear safety glasses when cutting anything!!
Step 2: The Wiring
To reduce the clutter of wire I braided it so it would be easier to work with and cover.
Heres a link to show how to braid.
Step 3: The "Crystal"
Then take a sander (I used a belt sander) and grind the edges down to make it look like this:
Then drill a hole about an inch into the top in the center for the LED.