Extended: Back to School sale on science t-shirts at YellowIbis.com!

We've extended our Back to School sale to give you more time to order your shirts for fall!


In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take $5 off all orders of $17+ until Sept 30th. Check for the coupon code on the left sidebar of the shop.

In our Science T-Shirts EU shop, take 3€ off all orders of $17€+ until Sept 30th. Check for the coupon code on the left sidebar of the shop.


Don't forget to check out classics such as our "Darwin Tree" t-shirt!

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- YI