Robots can vacuum our floors and mop our bathrooms, so why not clean out your dad's gutters? The iRobot Looj 330 blasts away leaves, dirt and clogs while brushing gutters clean. The vacuum moves forward and backward and flips junk out of your gutter, so dad won't need to. Whose dad wouldn't want a gutter-cleaning robot? Price: $300. Available at Irobot.com.