Collection: My Irrational Birthday

Celebrate π Day with everyone's favorite theoretical physicist. 

The My Irrational Birthday is a stylish and practical design that features a young Albert Einstein in anime style, pointing out that everyone is being irrational about this birthday 3.14. The design is sure to turn heads and spark conversations wherever you go!

Whether you’re a math enthusiast or just looking for a unique and stylish accessory, the My Irrational Birthday design is the perfect choice. So why wait? Add this amazing irrational design to your collection today!