To make your own headlamp, you'll need:  

1. Festoon Bulb
2. Festoon Holder
3. 9v Battery
4. 9v Battery Holder w/ switch
5. (2) Wire Connectors
6. Velcro Tape (Hook)
7.  Velcro (Loop)

Step 1: Make Your Cardboard Trapezoid Box

1.  Cut out a 4 x 5inch cardboard square 
2.  Place your Festoon Holder horizontally in the center of the square
3.  Draw out two trapezoids from the edges of the Festoon Holder.  
4.  Now draw two more trapezoids above and below your Festoon Holder. These will serve as the sides of your trapezoid box.
5.  Shade in the parts the you'll be cutting out and cut away.  Have someone help you out with a pair of scissors for this step!
6.  You should now have something that looks like this.  The dotted rectangle is where you'll be folding but we'll get to that later--poke two holes on the sides and set down your cardboard for now.

<p>What a fun idea. I want to do it at my neighborhood Halloween party. Where can I get the 9V LED festoon lamps and holders in bulk?</p>
Aren't those festoon bulbs for automotive applications using 12V? <br>I think it's a great idea that you built such a simple circuit using LEDs though, because most kids are driven away when they see resistors in an LED project when they're first starting out. <br>
THis is great! If you had some aluminum foil on the cardboard, do you think it would be more reflective?
Hey Audrey, great idea! I'll scour around the office for some aluminum foil that we can tape inside the boxes. We're making these headlamps at our DIY Headquarters this Halloween at 6pm so feel free to stop on by

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