If you're in back-to-school shopping mode, now's the time to stock up on mental_floss t-shirts, books and games. (Bananagrams is on your back-to-school shopping list, right?)

This week, everything in our store is 15% off (except subscriptions and package deals). Just visit our store, fill up your cart, and enter the coupon code "schooldays" before checkout.

more-shirts

But don't wait too long—the sale ends at 11:59pm Eastern Time on Friday. And if you have a picture of yourself sporting a mental_floss shirt, email us—flossyjason@gmail.com. Perhaps you'll show up in the magazine, here on the blog, or on our Facebook page.