Mother's Day t-shirt sale at YellowIbis.com

Show your appreciation to your favorite science mom with a great science t-shirt on sale!

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take $20% off orders of $25+ when you add a women's shirt to your order, until May 1st. And in our Science T-Shirts EU shop, take 5€ off orders of 17€+ until May 1st.

Check for the coupon code on the left sidebar of the shop you would like to purchase from.


Don't forget to check out our new "Penrose Triangle" math t-shirt while you're browsing!


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter!

- YI

3-Day sale on science t-shirts is underway!

Our 3-day sale is underway and ends Monday night! Discounts valid on all science t-shirts and hieroglyphics t-shirts!

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take $5 off orders of $17+ until April 20th. And in our Science T-Shirts EU shop, take 5€ off orders of 17€+ until April 20th.

Just check for the code on the left sidebar of our shops.


Don't forget to check out our new "Peace Love Chemistry" t-shirt while you're browsing!



Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter!

- YI

Earth Day Sale on science t-shirts!

We have a special sale for Earth Day, only in our USA shops!

In our Science T-Shirts USA and Egyptian Hieroglyphics shops, take 20% off orders of $25+ until April 17th, when you purchase at least one "eco-friendly"/organic item.


Don't want to miss out on early sales announcements? Then subscribe to our blog by feed or newsletter!

Happy Earth Day :)