There is nothing more gratifying than creating something useful. That’s why we like the DIY Solar USB Charger [$39.99] by Brown Dog Gadgets. Open up your blinds, go to the beach, take a drive in your convertible and start charging up your gadgets! We all have battery sucking USB gadgets these days, and they’re all power hungry. This DIY USB Solar Charger project lets you to make your own USB charger that will charge most any consumer electronic. It’s super-easy to use, just drop the charger in the sunlight, let the internal batteries charge up, and then use it to power your favorite mobile device or electronic. The coolest part about the project, it only takes 30 minutes to construct and requires only simple soldering skills, even the DIY novice could make this kit.