Mindflex--featuring a headset that reads your brain waves and a levitating foam ball--is the kind of game that must be seen to be believed. Recommended for players aged eight and older, the game begins when you strap on the headset so you can use your powers of concentration to move the ball around the game console and through a mind-bending obstacle course. A dial-in console lets you to keep the ball lifted on a cushion of air, but raising and lowering the ball must be accomplished by alternating concentrating and relaxing your mind.