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Custom Age Funny Equation Math Genius Birthday Card

4.9 out of 5 stars rating
17548 Total Reviews |
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Signature Matte
18 pt thickness / 120 lb weight Soft white, soft eggshell texture
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About Folded Greeting Cards

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Folded Greeting Card
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Size: Standard, 12.7 cm x 17.8 cm

Thank you, hello, or I love you, custom greeting cards are thoughtful gifts that are always the perfect way to express yourself.

  • Dimensions: 12.7 cm x 17.78 cm (portrait); 17.78 cm x 12.7 cm (landscape)
  • Full color CMYK print process
  • Double sided printing for no additional cost

Paper Type: Signature Matte

Our Signature Matte paper is a customer favourite—smooth to the touch with a soft eggshell texture that elevates any design. Its sturdy 18 pt weight and natural feel make it the ideal choice for timeless, sophisticated events.

  • Exclusively made for Zazzle

About This Design

Custom Age Funny Equation Math Genius Birthday Card

Custom Age Funny Equation Math Genius Birthday Card

Put brilliance front and centre with this personalized "Math Genius" birthday card! Designed for kids, teens, or adults who love equations, charts, and clever challenges. Use the square root space to input the recipient’s age in an intelligent way (e.g., √64 = 8). Whether for a straight-A student, a math tutor, or a number-crunching genius, this card adds humour and thought to their special day!
Trendy_Birthday
Bronze
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Manhattan, New York, United States
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Customer Reviews

4.9 out of 5 stars rating17.5K Total Reviews
16505 total 5-star reviews724 total 4-star reviews124 total 3-star reviews65 total 2-star reviews130 total 1-star reviews
17,548 Reviews
Reviews for similar products
5 out of 5 stars rating
By Debra J.April 17, 2024 • Verified Purchase
Folded Greeting Card, Size: Standard, 12.7 cm x 17.8 cm, Paper: Signature Matte, Envelopes: White
Really pleased with the card quality. The perfect theme to personalize a birthday celebration. Birthday greeting combined with a Christmas wish for my nieces Christmas Birthday. Perfect! These colours really pop on this Matte finish. The cute funny monkey expressions add humour to a birthday card surprise.
5 out of 5 stars rating
By Kenneth N.January 10, 2026 • Verified Purchase
Folded Greeting Card, Size: Standard, 12.7 cm x 17.8 cm, Paper: Signature Matte, Envelopes: White
I needed a nice looking 90th Birthday card for a very dear friend. I selected the sample that would work for me, and added the name. I was so surprised on the fast delivery, and very pleased with the results. My card looked so much richer than on the web-site. Such an original, great looking 90th birthday card. I will be definitely ordering more cards in the next little while. I certainly recommend Zazzle products. Amazing designs...
5 out of 5 stars rating
By AnonymousOctober 1, 2025 • Verified Purchase
Folded Greeting Card, Size: Big, 21.6 cm x 28 cm, Paper: Signature Matte, Envelopes: White
I absolutely love this!! Thank you so much for creating a very special birthday card for my mom for her very special day!

Tags

Folded Greeting Cards
math genius cardstem birthday cardcustom math birthday cardnerdy kid birthday cardcard for smart childrenintelligent birthday cardmath humour cardclever card for boysbrainy girl birthdayschool themed greeting card
All Products
math genius cardstem birthday cardcustom math birthday cardnerdy kid birthday cardcard for smart childrenintelligent birthday cardmath humour cardclever card for boysbrainy girl birthdayschool themed greeting card

Other Info

Product ID: 256897915300469430
Designed on 2025-05-25, 5:43 PM
Rating: G