Did you know that today (3.14) is National Pi Day? First found by San Francisco Exploratorium physicist and “Prince of Pi” Larry Shaw 25 years ago, this holiday is celebrated by number lovers all over the world. Get festive on this geekiest of days by checking out these fun pi products. From a polished pi flask to a cheeky pi perfume (ha!), here are 13 great items to help you get in the mathematical spirit.
Source: Etsy user Wacodis
