The Soccket by Uncharted Play harnesses the kinetic energy built up by kicking it around then converts it to useable electricity. Thirty minutes of play can power an (included) LED lamp for up to three hours. More than just a cool novelty gadget, the Soccket has enormous potential in resource-poor areas of the developing world with limited access to electricity. After obtaining some invaluable publicity when President Obama kicked around a Soccket in Tanzania, the project was successfully funded on Kickstarter with nearly $100K in backing. You can pre-order yours via this form.