The Blood Type Test Kit. All you need to identify your blood type in one small pack. This could be a rather useful product, assuming you’re not one of those unfortunates who faints within 50 miles of a needle. $8.99.
That’s why we found this awesomely simple DIY Blood Type Test Kit. Just a little prick (no jokes, please), a few drops of blood, a little water, and the special card are all you need to find out what blood type you are. In just a few minutes, you’ll have a card which will show you which antigens you have in your blood (which you can compare to a chart in the instructions to determine your blood type). And even better, this kit comes with a laminating sheet so you can carry the card in with you once it dries. Then, you will never not know what blood type you are, and you won’t have to worry about your blood exploding.