Yesterday was Pi Day and Epic Kitten baked this lovely pi** e** with the Greek letter for Pi (Π) on it. Yesterday was the 14th of March (written in the USA like 3/14) and that is PI day because Pi is around 3.14. The number pi is the length of the outside of a circle (the crusty bit on a pie) divided by the line if you cut the pie in half. I’m not very good at explaining it without an animation, but you can look up some interesting videos on it.