Gamers have largely gotten a bad rep for being lazy, slothful people who spend their hours mindlessly pressing buttons. The Wii changed that a bit by getting kids (and and their parents and their parents) up off the couch, but what about giving their brains a workout too? For your family's little mind freak to-be Mattel is introducing the Mind Flex, a brain-powered game that relies on your mental activity to control the height of a ball suspended in a column of air. Don the headset then start concentrating to make the purple orb rise; relax and it lowers. There are six total game types but all entail getting a ball over, under, and through a variety of hoops and the like, sometimes against a clock so that you can challenge your