A single fully-charged AA battery is incapable of powering high-flux LEDs. However with the aid of a toroid, bipolar NPN transistor, and the popular Joule Thief circuit, you can even turn "dead" batteries into a capable flashlight power source.
DIY your photo charms, compatible with Pandora bracelets. Make your gifts special. Make your life special! DIY Galaxy in A Jar - Bottled Nebula in A Jar - Cool Crafts and DIY Projects for Teens - Fun Gifts and Decor for Teenager, Tween and Teen Bedrooms
Create Your Own Smartphone Projector With A Shoebox