Funny 13th Birthday Square Root of 169 T-Shirt

Black Funny 13th Birthday Square Root of 169 T-Shirt main image
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Celebrate turning 13 with this clever math-themed t-shirt! The black tee features a bold, golden-yellow design with the square root of 169 calculation. Perfect for math enthusiasts or anyone with a sense of humor, this t-shirt makes a unique birthday gift or casual wear option. The comfortable fabric drapes well and makes this shirt a stylish choice to wear any day of the week. The design is sure to spark conversation and showcase your fun personality. It's a cool and quirky way to mark a special milestone!

Tags:

#t-shirt #birthday gift #thirteenth birthday #math #square root #black shirt #casual wear #funny tee #13 years old #golden yellow
$35.99 $9.99

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Variant 1 of Funny 13th Birthday Square Root of 169 T-Shirt
Variant 2 of Compass Graphic Black T-Shirt
Variant 3 of Glitch Fox Mask Graphic Tee - Black
Variant 4 of Go Hard Black Graphic T-Shirt
Variant 5 of Funny Buff Bunny Graphic Black T-Shirt
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Variant 8 of Apple Pie Nutrition Facts Graphic T-Shirt
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Variant 10 of Planetary Galaxy T-Shirt - Black
Variant 11 of Abstract Woman Graphic Black T-Shirt
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Variant 14 of June Bug's Thoughts Graphic T-Shirt
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Variant 16 of Cellfie Black T-Shirt - Humorous Science Tee
Variant 17 of Just A Girl Who Loves Bunnies T-Shirt
Variant 18 of Red Bicycle Man Graphic Black T-Shirt
Variant 19 of Lord is This a Test Funny Graphic T-Shirt
Variant 20 of Black T-Shirt with Green Bird Design
Variant 21 of Dragon Moon Graphic Tee - Black
Variant 22 of Focus On Your Goal Black Graphic Tee
Variant 23 of Mind of Behavior Anchor Graphic T-Shirt
Variant 24 of Kunai & Leaf Black Graphic Tee
Variant 25 of Motorcycle Heartbeat Graphic T-Shirt - Black
Variant 26 of Always in Love Graphic Tee - Black Casual T-Shirt
Variant 27 of Solar Eclipse Graphic Tee - Save Your Energy
Variant 28 of Abstract Heart Circle Graphic Black T-Shirt
Variant 29 of Dragon Silhouette Graphic Tee - Black T-Shirt
Variant 30 of Suck My Deck Playing Card Graphic Novelty T-Shirt

FAQ

Size Guide

Our tees fit true-to-size. Check the size chart before ordering to ensure a perfect fit.

Shipping Time

Processing 2–3 business days; standard delivery 5–12 business days depending on destination.

Care Instructions

Machine wash cold with like colors. Do not bleach. Tumble dry low. Iron inside-out if needed.