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Picture of Canned Light
This is a simple concept idea of " canned" or "bottled light". It uses few parts, and some recycled material. Shown is my final product.

Total time to assemble: about 30 minutes.
 
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Step 1: Materials

Picture of Materials
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Tube-like container (I used a Lays Stax container)
9 Volt battery
2 pairs of alligator clips
2 LEDs
220 Ohm Resistor
Stripped copper wire (or paper clips)
Paper clip

Pliers (not needed, but helpful)
Sharp object, like a knife (not pictured, but hidden inside pliers/multi-tool)

Step 2: Poke some holes

Picture of Poke some holes
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Take your knife or sharp object:

Poke 4 holes wide enough for the wire to go through. These holes will be the height where your LEDs will sit. Make sure the holes are all at about the same height, and not too close that the wires will touch.
Mark +/- as to not get confused later on.

On the lid, poke 1 hole through the center.

Step 3: Ready the assembly

Picture of Ready the assembly
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Take the LEDs and curl the ends around the wire. They should slide, but not too easily. 

I took a plastic coated paper clip, and straightened it out.
Then, using the pliers, I went in about 1/2 inch and bent it 90 degrees.
At the other end of the paper clip, I made a small loop, placed the resistor in there, and gently closed it. The resistor will move, but not fall out.

On the resistor, I bent the leads coming out into hook shapes. These will catch the wires and close the circuit. We'll talk about in the next step.
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