I did find some LEDs that fit in the light holder but there weren't any white ones. I need five ultra-bright white LEDs. The power source will be one 9v battery.
I talked to Ron about how to figure out what resistors to use and then did some research on the internet. I found an Instructable that explains the process. The Instructable pointed me to a website that will calculate the resistors needed in a five LED array.
Here is one of the schematics that the website came up with.
I tested the circuit on a breadboard and it worked. None of the LEDs blew up.
Next, I need to get some ultrabright white LEDs. I might even have to go to the 'Shack.