Business cards are pretty much essential for any working stiff these days. We exchange them with handshakes and polite conversation. The business cards has a job to do, it politely informs the recipient of your name and company info. But unfortunately the average card gets a quick glance before being shoved into a pocket or briefcase. Not so much for all of these hard-working cards. Not only do they accomplish the primary task of providing information, these cards all have a fun or functional second job.

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Nothing says you need a security company, like being shown that all a burglar needs to get into your house can fit in your pocket. This busy little business card is also a lock pick kit. Sure, giving people the tools to commit a felony is an interesting approach but this is definitely cool enough to want to show your friends.

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Complete with instructions this two-part caliper can be constructed and put to work. A Caliper like this may only be able to measure small objects, but the card itself is a big indicator of just how innovative its creator is.

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This business card which is also a guitar pick is as useful to a musician as a pencil to a writer. Though this straddles the line between business card and logo product it’s a great way for someone in the music business to make sure their name, and in this case face, get seen around the scene.

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Sure, it only has a fifty-two week life expectancy, but this business card is also a full-year calendar. While it may not speak volumes about the nature of the business it represents, this card is a handy little token. Recipients can easily store it in their wallets to help keep track of the date, and with each look, the person who gave it to them will be remembered as well.

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Isn’t Google always the innovator? As if anyone could ever forget the world’s biggest search giant, this awesome business card comes with an added incentive. A tiny USB drive attached to the card makes it a useful business tool for the giver and the receiver.

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This card which comes in 2 parts can be put together to form this fun rocket figurine. It’s not going to help you keep track of the date or break into a house but it’s still pretty awesome.

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We like to think that grown-ups don’t play with toys, but c’mon we all still like to have fun. This whimsical little figure brings anyone back to the simpler times of building blocks and Lincoln logs. This version of a business card has all the important information and is also guaranteed to make people smile.

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This interactive card starts out flat but it pops out into this Goompa-looking little guy. Reminiscent of an old-school Mario Brothers character this mushroom-headed fella is begging to be set free. Most business cards simply get put in a pocket. But when you get this one, you just have to make it pop. Oh and stare at the name and company info while you do it.

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These homemade business cards are in the shape of little luggage tags. Sure they may also have business information but they can be used again. If you happened to hand out cards like these at a conference they might get used as soon as the recipient’s return trip home. And your name and info will go home with them, in a much more visible location than the bottom of a swag bag with all the rest.

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Who knew that randomly filling in verbs and adjectives could be such a good time? Well the people who copyrighted Mad Libs may have had an inkling. This card uses that classic whimsical game and puts it toward good business. The blanks may have come pre-filled with humorous nouns but it certainly leaves space for creativity and interaction.