Pi Hard This T-Shirt Tuesday!

Erin McCarthy

Happy Pi Week! To celebrate, pick up our awesome new Pi shirts, Pi Hard and McPi, in the mental_floss store!

And that's not all! Take 14% off Pi and Einstein items in the mental_floss store! 

Just use the code 314EVER at checkout. The sale ends 3/14 at midnight PST and excludes clearance, subscriptions, and package deals.

Did you know that you can submit t-shirt slogans? If you have a funny t-shirt slogan, you can submit it here