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Holidays > Pi Day 3.14159 Cards

3.14159 Pi Day Cards

Celebrate the mathematical constant and be irrational with whimsical Pi Day cards! After putting down your slice of pie, choose from 180+ one of a kind designs for this unique and nerdy unofficial holiday. We'll won't make you wait 3.14 weeks either - your smiles will be in the mail next business day.

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Cards per Page:
Cards: 213 Pages: 8
Most Popular Newest Show adult cards
Celebrate Pi day card
Customize: Inside text only
Inside Text: ~ Don’t ~ It’s silly
Artist: Tom Rent
Artist Notes: This can also be changed into an announcement, invitation, or congratulations card by you changing the inside text using the Personalization option - It's EASY! Free Modifications. Contact me through my Card Store. - Tom Rent
Product Id: 496750
Happy Pi Day Student 3.14 March 14th Silver Pi Sym…
Customize: Inside text only
Inside Text: continue infinitely without repeating Happy Pi Day
Artist: Pamela Jorgensen/PamJArts
Artist Notes: Teachers and professors send your students a Happy Pi Day card showing 3.14 ... to the ultimate I could fit on this card! I happy to change the card front to your needs. Custom requests available. Pamela/PamJArts
Product Id: 911593
Happy Birthday on Pi Day - Panda with a Thought Bu…
Customize: Inside text only
Inside Text: I hope your birthday is as sweet as pi.
Artist: Amy Hadden
Product Id: 1036723
Happy Pi Day with pi in the sky card
Customize: Inside text only
Inside Text: Happy 3.14159265 to you!
Artist: Cheryl M Hall
Artist Notes: DEAR CUSTOMER *Inside text is changeable to suit what you like...Many more Pi cards in store. Background colors and effects can be changed by contacting artist
Product Id: 911656
Pi Day Birthday Card with Cupcake-Soccer-Golf-Ball…
Customize: Inside text only
Inside Text: Much happiness to you on your Pi Day Birthday.
Artist: Sheryl Kasper
Artist Notes: Pi Day Birthday Card with sports balls, baseball, golf ball, football helmet, soccer ball, cupcake, and candle.
Product Id: 910773
Happy Pi Day card
Customize: Inside text only
Inside Text: (blank inside)
Artist: Surabhi Seema
Product Id: 567607
Pi card
Customize: Inside text only
Inside Text: Happy Pi Day
Artist: Imaginary Story
Product Id: 567982
Pi Day Pooper - FUNNY card
Customize: Inside text only
Inside Text: First Number 1 Then Number 2 And then the greatest number of all: 3.14159 ! Math lesson over. Have a wonderful Pi Day!
Artist: Tom Rent
Artist Notes: This can also be changed into an announcement, invitation, or congratulations card by you changing the inside text using the Personalization option - It's EASY! Free Modifications. Contact me through my Card Store. - Tom Rent
Product Id: 576462
Happy Pi Day (March 14th Mathematical Constant) ca…
Customize: Inside text only
Inside Text: Make this March 14th a scrumptiously constant one!
Artist: Crumbs & Shards
Artist Notes: Celebrate Pi Day with a dose of food humor with this pi on a pie. Pi is the mathematical constant of 3.14159, etc. Memorable card to wish anyone "Happy Pi Day" on March 14th.
Product Id: 846310
Pi Day 3.14159 for Math Student, Cherry Pie card
Customize: Inside text only
Inside Text: Happy Pi Day to a math student who is the smartest person I know! You can never have too much of this "pi", so dig in!
Artist: Shoaff-Ballanger Studios
Artist Notes: Pi ala mode! Illustration of cherry pie and the infinite Pi. Designed by Shoaff-Ballanger Studios.
Product Id: 910851
Pi Day 3.14159 for Dad, Numbers & Equations card
Customize: Inside text only
Inside Text: I’m crunching the numbers and I figure it’s that time of year to wish my wonderfully smart dad a Happy Pi Day!
Artist: Shoaff-Ballanger Studios
Artist Notes: Numbers from various license plates and parts of a geometry equation for a circle. Image by Shoaff-Ballanger Studios.
Product Id: 911592
Pi Day Birthday Card with Cupcake-Candle-Flowers-P…
Customize: Inside text only
Inside Text: Much happiness to you on your Pi Day Birthday.
Artist: Sheryl Kasper
Artist Notes: Cheerful illustration of Pi Day Birthday Card, designed with flowers, cupcake, candle and Pi Symbol.
Product Id: 910778
Happy Pi Day, General, 3.14 card
Customize: Inside text only
Inside Text: Hope your day is quite irrational! Happy Pi Day!
Artist: Gerda Steiner
Artist Notes: This design shows the number Pi 3.14 and a few more numbers following in a spiral. The numbers a always getting smaller until they finally disappear. This card is a fun way to wish Happy Pi Day to someone.
Product Id: 910475
Happy Pi Day to a Math Enthusiast 3.14 card
Customize: Inside text only
Inside Text: Hope you get your piece of the Pie!
Artist: Gerda Steiner
Artist Notes: This design shows a pie with the constant pi on it. The pie is displayed on an orange and green circle. This card is a fun way to wish Happy Pi Day from a group to a Math Enthusiast
Product Id: 910541
Happy Pi Day to brother Tutor 3.14 card
Customize: Inside text only
Inside Text: Hope you get your piece of the Pie!
Artist: Gerda Steiner
Artist Notes: This design shows a pie with the constant pi on it. The pie is displayed on an orange and green circle. This card is a fun way to wish Happy Pi Day to your brother!
Product Id: 910546
Happy Pi Day with chef. Hey Genius, here’s your pi…
Customize: Cover text, inside text
Inside Text: Happy 3.14159265 to you!
Artist: Cheryl M Hall
Artist Notes: DEAR CUSTOMER *Front and inside text is changeable to suit what you like...Many more Pi cards in store. Background colors and effects can be changed by contacting artist
Product Id: 911651
For Teacher on Pi Day with Funny Pi Recipe card
Customize: Inside text only
Inside Text: Pi Recipe Ingredients: 3 c. infinite series tsp. approximation 1 Tbl. inner complexity 5 oz. paradoxicality a dash of the irrational a hint of existential nothingness Mix together and bake at 314 for 1 hour, 59 min. Let cool. Serves an infinite number of people. Happy Pi Day!
Artist: Evelyn Mancino
Artist Notes: This humorous card for Teacher on Pi Day features a Pi recipe on the inside. This would be appropriate for a math, trig, science, electrical engineering, or a statistics teacher, etc. It would also work for any teacher that deals with pi for their birthday ... just change "Happy Pi Day" to "Happy Birthday" by clicking on "Personalize it".
Product Id: 910939
Happy Pi Day Birthday!, Cherry Pie and Bowl of Che…
Customize: Inside text only
Inside Text: Pi = 3.1415926535 ... Pie = Yummy!
Artist: Cherie
Artist Notes: Yum! A bowl of ripe, juicy cherries, perfect for making a pie for a birthday and for Pi Day!. Original graphic design by Cherie - Cherie's Art Card Store 2012
Product Id: 910688
Happy Pi Day, General, 3.14 card
Customize: Inside text only
Inside Text: Hope you get your piece of the Pie!
Artist: Gerda Steiner
Artist Notes: This design shows a pie with the constant pi on it. The pie is displayed on an orange and green circle. This card is a fun way to wish Happy Pi Day to someone.
Product Id: 910514
Pi Day, Mathematical Symbol with Colorful Pattern …
Customize: Inside text only
Inside Text: Happy Pi Day!
Artist: Lisa Crisafi
Artist Notes: Fun Pi Day card features a mathematical symbol filled with a colorful, garden floral pattern over a dark teal background with number pattern representing the digits of pi.
Product Id: 1415648
Pi Day Co-Worker, Keep Calm, Red & White, 3.14 Cir…
Customize: Inside text only
Inside Text: To a fun Co -Worker, Wishing you have a Happy Pi Day, whether you consider it rational or not!
Artist: Sandra Rose Designs
Artist Notes: Have fun with this graphic red and white card to wish a happy Pi Day to co-worker, or colleague. This card humor is based on the Queen's famous quote: Keep calm and carry on.
Product Id: 1011053
Keep Calm & Nerd On, Pi Day card
Customize: Inside text only
Inside Text: Happy Pi Day!
Artist: Lisa Crisafi
Artist Notes: Embrace your inner math nerd with this humorous Pi Day card with the popular "Keep Calm" theme, incorporating the pi symbol and an infinite number frame.
Product Id: 897739
Pi Day Card -- Happy Pi Day card
Customize: Inside text only
Inside Text: May your Pi Day be CONSTANTly enjoyable!
Artist: Kathy Henis
Product Id: 565543
Happy Pi Day Cutie Pie card
Customize: Inside text only
Inside Text: My love for you is constant and infinite!
Artist: Anura Design Studio
Artist Notes: The Pi Day holiday commemorates the mathematical constant of pi and is the perfect time to celebrate your love, that is as infinite as the value of pi, for someone special with this fun rebus using the pi symbol. Original design by Anura Design Studio.
Product Id: 910877
Happy Wedding Anniversary on Pi Day card
Customize: Inside text only
Inside Text: You are like a mathematical constant in my life and I’m still filled with love for you. Happy Anniversary!
Artist: Anura Design Studio
Artist Notes: The Pi Day holiday commemorates the mathematical constant of pi and is the perfect time to celebrate your love, that is as infinite as the value of pi, on your wedding anniversary with this fun rebus using the pi symbol and an eye in a mathematical equation. Original design by Anura Design Studio.
Product Id: 910622
Happy Pi Day to Grandpa card
Customize: Inside text only
Inside Text: I’m making a perfect circle with my arms to give you a great big hug for Pi Day!
Artist: Rita Ballantyne
Original image by:
Yury Zap/Bigstock.com
Artist Notes: Let Grandpa know you are thinking of him on Pi Day, March 14th.
Product Id: 1300258
Pi Day, ’Pi’ written on a pie crust card
Customize: Inside text only
Inside Text: May your day be a constantly happy one!
Artist: Cisillia Tay
Artist Notes: 'Pi' written on a pie crust. Celebrating Pi Day on March 14.
Product Id: 1409104
Pie-eyed Over You Pi Day Card
Customize: Inside text only
Inside Text: Happy Pi Day!
Artist: Anura Design Studio
Artist Notes: The Pi Day holiday commemorates the mathematical constant of pi and is the perfect time to celebrate your love, that is as infinite as the value of pi, for someone special with this fun pie-eyed over you rebus card. Original design by Anura Design Studio.
Product Id: 910964
For Teacher, Enjoy Pi Day! Hope It’s Delicious and…
Customize: Inside text only
Inside Text: May the pies be yummy, and make you smile! Happy 3/14th to a very fun teacher!
Artist: Cindy Johns
Artist Notes: Send best wishes to the teacher on Pi day (March 14th) with style and flair. This "Happy Pi Day" card depicts pi symbols in the corners and lots of retro flourishes everywhere else. Hopefully the Pi card recipient will enjoy some delicious pie and lots of smiles! ilovecuttables@gmail.com
Product Id: 910485
Pi Day to Boyfriend Black and White Pi with 3.14 c…
Customize: Inside text only
Inside Text: Have a happy PI DAY filled with a million special feelings!
Artist: Sandra Rose Designs
Artist Notes: Send a great Pi Day card to your boyfriend. In graphic Black and White, this Pi symbol is filled with the Pi 3.14.
Product Id: 1010541
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