This was also my first led. Super easy to make, I got all the parts from my local Radioshack.
Its quite bright depending on the amount of solar energy provided!
This is not my best instructable to be honest, The way to get power can be subsituted.
Step 1: Materials
There is a question that must be faced before starting:
What led color do you want - I chose red. as long as the led has a positive and a negative wire out the end, it works.
Solar, or battery power - I chose solar just to test it. If you can find a good battery pack that packs enough volts without breaking the LED and has a positive and negative wire, You're safe.
Once you faced these questions, you can get these parts, and start building