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Sale Price $4.14.
Original Price $4.60 Comp. value
per button
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Funny 21st Birthday Math badge Square Root 441 Button
Qty:
Shape
Round
+$1.70
+$0.95
Size
3 inch
-$1.65
-$0.65
+$1.25
+$3.80
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About This Design
Funny 21st Birthday Math badge Square Root 441 Button
Celebrate turning 21 with a geeky twist! 🎉 This clever birthday badge features the square root of 441, making it a witty way to announce your milestone age. Perfect for math lovers, science geeks, or anyone who enjoys a smart joke on their special day.
Fun novelty badge for 21st birthdays
Great conversation starter at parties
Perfect gift for students, teachers, and math fans
Available in multiple sizes and finishes
Show off your love of numbers and celebrate in style with this funny math 21st birthday button pin!
Customer Reviews
4.8 out of 5 stars rating8.6K Total Reviews
8,582 Reviews
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Cynthia U.July 4, 2024 • Verified Purchase
Round, 2.25 inch
The button was just as expected. My mother's smile was captured so beautifully. The size was just right and the colors we chose were bright. The print was nice and clear. A person ordering should just make sure the wording is lined up in the center before submitting
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Udeepa G.July 8, 2024 • Verified Purchase
Round, 2.25 inch
Beautiful concept I like the design and words and colors and all. looking forward to buy more products. Better that what I expected. Paint is high in detail and durable.
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Alissa K.March 23, 2026 • Verified Purchase
Round, 1.25 inch
Wonderful job! I'm so happy with how my pins for my website turned out. Great quality, great product. .
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Other Info
Product ID: 256603741958667404
Created on: 3/14/2024, 9:37 AM
Rating: G