Father's Day is closing in (June 21st). If your dad is a geek, then you should definitely check out the Father's Day gift guide on the prime shop for geeks: ThinkGeek.
ThinkGeek guesses that your Dad will go nuts about BuckyBalls, Whiskey Stones, Hydrokinetic Adjustable Wrench, Geek Insignia Ties or the cool Original Ring Thing.
Also neat gifts for dads are the KGB Disappearing Ink Pen and the Mossad Reappearing Ink Pen.
Explore the ThinkGeek Gifts for Dads.
See also the Apple Father's Day Gifts and our Top Five Gifts for Father's Day.
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