Pi Can't Stop pi Won't Stop is perfect to wear on March 14th (3,14) to celebrated World Pi Day. This is suitable for not only Pi Day but also Birthday, Valentines day, Christmas, Thanksgiving, Wedding presents, Christmas or just a simple surprise present for family and friends, a great present idea for Math Teachers, Math Lovers, Science Teachers.
https://www.amazon.com/dp/B0CV....NMV1XT?customId=B075