Pi Ice Cube Tray

In honor of today being Pi Day (get it? 3.14), I offer this perfect addition to your celebration. “Add” some of these cubes to your drinks and your Pi Party spirits will “multiply”.

And now, for some ed-ja-ma-cation (thanks to Wikipedia):

Pi is a mathematical constant whose value is the ratio of any circle’s circumference to its diameter in Euclidean space.

Circumference = ? × diameter

Area of the circle = ? × area of the shaded square

And as we all know pi = 3.14159265358979323846264338327950288…

Get Pi Here: Think Geek