It looks like a video game control, but the O'Brien 4-Ball ($349) will take you on a real-life adventure that will blow your mind. This two-rider, 100-inch diameter towable has four balls, designed to ride high in the water to minimize drag while maximizing speed. The 4-Ball's bright colors and distinctive design will have all eyes on you. It has seven soft handles with EVA knuckle guards and an EVA pad for added comfort.