Guinness World Record holder for "the most multifunctional penknife"

Saw this in 8 Days and I couldn't stop laughing.

This unique special edition knife contains all 85 tools currently produced by Wenger (Maker of the Genuine Swiss Army Knife). These 85 tools can be used in over 100 functions and it's the World's Largest Swiss Army Knife. It's not exactly going to win any awards for lightest, smallest or most efficient tool but it probably will win you the title "King of All Gadgets". And even though this knife is a monster, weighing almost 3 pounds, don't worry - it does have a key ring so you can carry it on a belt loop.

From thinkgeek.com. USD999 okay.

Then, on the home page of the site, I noticed this.

Looks like something the mathematician (decided this has the best ring to it) will like.