Check out the nifty Power-Hog an entry in the Greener Gadgets Design Competition. According to the site, a white and bright green plug-in piggy bank called the Power-Hog associates power conservation with savings. For example, kids can use their allowance to turn on the TV by feeding the piggy with change (its snout plugs into TVs, computers, cell phones, and video games, while its curly tail serves as the cord for plugging into a wall outlet.) The Power-Hog meters consumption and blinks red when time is running out.