Don’t know if we really would have believed in this, if it were not for the fact that our favorite anesthesiologist blogger, Joe on Book of Joe, had mentioned it. We have been thinking of having our blood typed, but the only way we figured out was to become a blood donor. Now that is not a bad idea in itself, they usually need all the blood they can get, but the thought of leaving a pint or so short has kept us away. If this test kit works as advertised, you can get the whole shabang done with just a couple of tiny drops… USD 8:99 on Think Geek.brbr