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An Affordable DIY Solar Battery Charger/Mini Generator
The GravityLight uses gravity, acting on a weighted bag, to generate energy. great for camping or off-grid living -- no batteries. no solar cells that need sun. no hand cranks that lose their spring.
39 ways to decorate your walls for cheap. I want to do every single one of these!! Maybe the best thing I've ever seen on pinterest!! All are so cool!
DIY cell phone charger (TAKE IT ANYWHERE)!