Go "Back to School" in a great new science t-shirt!

It's back to school time, and whether you're fresh for a new semester, teaching, or just enjoying being out of school forever, now is the time to pick up some new science t-shirts at great savings! Whether you want a chemical structure t-shirt, a physics or math t-shirt, or just a funny general science shirt, we have it all... and if we don't have it, we'll make it custom!


Check out our savings in our Science T-Shirts USA shop:


and in our Science T-Shirts EU shop as well:

July Sale on science t-shirts in both shops!

Now for a limited time, special coupons in both the US and EU shops, valid on all our science t-shirts as well as custom work!


Also, please note that the demand for Digital Direct printing has been large enough that we are temporarily running at a backlog of 10-14 days. We do apologize for this, any orders affected will be notified by email at the time of ordering, and please email us if you have any questions or concerns.

Special bonus summer sale!

Special bonus summer sale on all our science t-shirts and every product, all shops!

Special June Sale on Science T-Shirts!

Special June sale in both our USA and EU shops on all our science t-shirts and egyptian hieroglyphics t-shirts! Over 500 to choose from, or have us make you a one-of-a-kind custom shirt!

Give Science for Father's Day!

Father's Day is coming up - why not surprise a Dad who loves science with a fun science t-shirt! We have special discounts in both our USA and EU shops for the upcoming holiday, valid for both our standard selection and custom work as well. Give Science for Father's Day!

Special USA shops sale! This week only.

Special sale in our US shops! Buy any 2 or more items and take 25% off. Hurry while it lasts, because the sale ends May 27th!

Mother's Day Sale in USA and EU shops!

Mother's Day is on it's way... give something special to your mom, girlfriend, or your favorite female scientist!

Science T-Shirts USA sale:

Science T-Shirts EU sale:

Special weekend-only sale in USA shops: free shipping!

We have a special sale, this weekend only, for free shipping in both our Science T-Shirts USA shop as well as our Egyptian Hieroglyphics USA shop. Any order of $15+ gets you free domestic US shipping (UPS Ground), or $5 off international shipping.


As an added bonus, we also have all our Feynman diagram physics t-shirts on sale as well! Only $16.99 for this weekend:

In the Egyptian shop we have our "Eternal Life" design, with special front and back printing, also on sale:

Stop by and check it out! New shirts are also added regularly.

Celebrate Earth Day with eco-friendly organic science t-shirts!

This month, in honor of Earth Day, we'll be having special sales in both our USA and EU shops. Stop by and look around by clicking on the banners below! Our featured products are all eco-friendly organic t-shirts, and we can also make a custom version of any of our standard t-shirts for you as well. We have many unique designs in science, chemistry, physics, math, astronomy, medicine, and more, and one of the best selections anywhere with over 500 products to choose from.

USA shop:

EU shop:

Special limited time spring sale on science t-shirts!

We have a special Spring Sale for a limited time in both shops - stop by and check out all our t-shirts with science, chemistry, math, and physics designs, along with lots more!

Last chance for St. Patrick's Day USA promo!

Stop by and get a science-themed St. Patrick's Day t-shirt for only $17 ! This week is your last chance to pick one up on sale...

St. Patty's Day deadlines for USA shops

There's still time to get in our St. Patty's Day science t-shirt sales, and to get your t-shirt in time as well. Just a reminder about USA shipping deadlines:

St. Patrick's Day Sale on science t-shirts until Feb 29th

Happy St. Patrick's Day 2008! We'll be 'putting on the green' for this special holiday, with coupons and limited edition designs. Add a little science to your St. Patrick's Day with our science t-shirts!

Stop by for our special offers in both shops until February 29th:

Win a free YellowIbis.com theobromine t-shirt at the ChocolateBytes.com contest!

This month, YellowIbis.com Science T-Shirts USA and the Chocolatebytes.com chocolate blog are running a special Valentine's Day contest where you can win a free special-edition theobromine t-shirt (the "chocolate" molecule) as the prize. You can also see our wide range of science-themed Valentine's Day gifts here.

Click on the image to see the full contest details!

Science t-shirts to get you in the mood

Our first promo for the Valentine season is a discount on many of our most popular designs, as well as a bonus $5 off coupon to anyone who sends us a customer photo wearing our stuff! Stop by the shops to learn the details:

Happy New Year 2008, and Sales!

Happy New Year 2008! Stop by for our special sales in both shops until January 14th:

Happy Holidays from YellowIbis.com, and a note about holiday hours

We'd like to wish a joyous holiday season and a Happy New Year 2008 to everyone, and a big thank you to all our wonderful customers who have supported us this year!

Just a short note about holiday hours, we'll have customer support by email throughout the holidays, but actual t-shirt production will be paused from Sunday through Tuesday for Christmas (USA and EU). This means that any orders placed before Wednesday will not go into production until Wednesday / Thursday.

Wishing you all a peaceful and prosperous New Year!

- Happy Holidays from YellowIbis.com -

Last Chance Sale! USA and EU Shops

Only 17 days till Xmas... time is running out!

December flies so quickly... and we are already at 17 days left until Christmas! A big thank you to everyone so far who has bought their gifts through us this year - and don't worry, there's still time to get your favorite science t-shirts or a custom order.

A reminder about our shipping deadlines this year:

--- USA store ---
International / Canada: Dec 12th
USA ground: Dec 17th
USA 3-day: Dec 18th ($)
USA express: Dec 20th ($$)

--- EU store ---
EU region: Dec 16th


And don't forget there is still time for a little discount... in the USA shop, coupon SPREADSHIRT03 for $5 off will end very, very soon. And in the EU shop, XAVIMGQF will get you 3 Euro off for a little while longer. Act soon to get a discount and your gifts sent on time!

Winter Sale in the USA shop - Nov 27

We have a few last days of savings for both our USA Science T-Shirts shop and our Egyptian T-Shirts shop... the holidays are fast approaching.



Meanwhile our free shipping promo continues in the EU Science T-Shirts shop, with code XMAS07 for orders 20 Euro +. Limited time only!