Gut Hook

How to make led flashlight for a total beginner?

Im intrested in making a flashlight with super-bright white leds but im a total beginner with electronics. I was wondering if I could gut one of my old flashlights find a way to mount my leds in it and hook them up to a battery. Could i do that, what kind of battery and leds should i use and how will i make a switch that will work?

their are of plenty of tutorials on youtube

http://www.youtube.com/watch?v=940QBkbPosw

MY GERBER FREEMANHUNTER GUT HOOK KNIFE

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