Once in awhile something so totally cool comes out that even a father who doesn't normally know what he'd like for Father's Day would immediately want one:
This New Nail Gun by DeWALT looks just like an AR-15 and she can drive a 16-penny nail through a 2 x 4 at 200 yards!
Yee Haaa!
This makes construction a breeze, you can sit in your lawn chair and build a fence.