March 14 Kids T-Shirts

3.14 is Pi day every year! In order to mathematically find anything involving a circle all you need is pi!

This superhero PiDay shirt will turn heads as you stroll down the street.

Yo, ho, ho and 3.14 bottles of rum!Show some science humor with this funny Pi Pirate t-shirt. Perfect for math teachers and pirate lovers.

Celebrate Pi Day in style on March 14th. Fun nerdy geeky math pi day gift for math majors, math teachers, science nerds, math geeks, math club mathletes and pie lovers. Perfect for those who study algebra geometry calculus trigonometry & more! Every math geek & nerd will love this novelty mathematical equations pi day design. Funny mathematician nerd/geek Pi Day shirt for kids, youth, boys, girls, men, and women. Math teacher t-shirts.

Pi Day Symbol Logo

Celebrate Pi Day with this fun design featuring 314 nerdy symbols! Perfect for math lovers, this design is sure to bring a smile to your face.

Pi Day happens on March 14th. However, for the math geek, math nerd, math teacher, etc. this Pi Day will be the Ultimate as 3.14.15 9:26:53 only comes once every 100 years and it happened in My Lifetime. Be Irrational for Once in Your Lifetime.

Spiral Pi Math

Pi Day St. Patrick's 3.14 Irish Funny Pirish Math Teacher

Here is “Cutie Pi" collection for you! You can add this to your own collection or gift it to your friends and families with kids. Thank you for your time! Happy Shopping!

Here is “Cutie Pi" collection for you! You can add this to your own collection or gift it to your friends and families with kids. Thank you for your time! Happy Shopping!

Here is “Cutie Pi" collection for you! You can add this to your own collection or gift it to your friends and families with kids. Thank you for your time! Happy Shopping!

Retro St Patricks Pi Irish Day 3.14 Irish Math Geek Teacher

Pi Day St. Patrick's 3.14 Irish Funny Pirish Math Teacher

Pi Day St. Patrick's 3.14 Irish Funny Pirish Math Teacher

Fancy Math Equation Style Sunset, Vintage 70's 80's Color, 3.14 Symbol Silhouette clothes - Greatest present for majors, girl, science, dad, genius, boy, uncle, teacher, professors, mom, geek, tutor on March 14th, Birthday, Pi Day party in 2021

Happy Pi Day

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Celebrate Pi Day with this fun and unique pizza design featuring mathematical symbols and a delicious pizza slice, perfect for any math lover or pizza enthusiast.

Happy Pi Day, Everyone!

Pi Day Symbol tee shirt Design by Mudge Studios. Celebrate the Awesomeness that is Pi with these Cool Pi Day Gift Ideas for your favorite Math Teacher, mathlete or the whole math class. Actually, Why wait for Pi Day? Pi Day should be everyday.

international pi day

Celebrate Pi Day in style on March 14th. Fun nerdy geeky math pi day gift for math majors, math teachers, science nerds, math geeks, math club mathletes and pie lovers. Perfect for those who study algebra geometry calculus trigonometry & more! Every math geek & nerd will love this novelty mathematical equations pi day design. Funny mathematician nerd/geek Pi Day shirt for kids, youth, boys, girls, men, and women. Math teacher t-shirts.

Glitched out Pi Day Symbol

I Can't Keep Calm I'm Irrational. Pi Day Design for math teachers, math nerds, geeks and your whole math class for that matter.

Nothing better than pie on Pi Day.

Fun Happy Pi Day apparel and accessories make a perfect gift for mathematicians, math teachers, students, or anyone who loves Pi Day.

Celebrate international pi day with this striking T-shirt which is big on quality but little on price.

Awesome design celebrating PI Day on March 14th in a forest green color.

Awesome design celebrating PI Day on March 14th.

Awesome design celebrating PI Day on March 14th in a strawberry red color.

Perfect shirt to wear on Pi Day (March 14th) or any other day of the year when you want to show off your math side. This shirt features the beginning digits of Pi within the symbol of Pi. How many digits of Pi can you memorize? Prove it with this shirt! Great for STEM students, teachers, college students, or anyone with a quirky yet geeky vibe. Are you into Math and Science? Makes a great gift for any mathematician, geek, nerd, tech lover, college student, teacher, or back to school.

A delicious design for March 14th, or any day of the year!

Pi Man Vampire Bat featuring Pocket Protector, Pi Symbol Fangs and Nerd Glasses. Pi Symbol Design. Great Gift Idea for Math Teachers, Geek, Nerds and Math Lovers of All Ages.

This March the 14th, it's time to celebrate the constant pi and to eats lots of pie of course! Pi day 2017 is a fantastic way for superheros, nerds, geeks, mathlete's and algebra experts to enjoy the event. Pi been calculated to over one trillion digits beyond a decimal point and this shirt has a perfect example of the value of Pi. Pi is an irrational and transcendental number, it continues infinitely with repetition or pattern. This year it was be perfectly represented on March 14th! If you're