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Downward Slope

Starting at 2 Coins

Send a funny mathematical birthday card to any friend or loved one! This line graph design from Derek Blasberg features a "The Good News: This is The Youngest You'll Ever Be Again" message and a fully customizable birthday note at the bottom of the card. Perfect for the math whiz in your life!


Change your card’s text, style, envelope, backdrop and more

Add your event’s details, make or import a guest list, and send with a click

Track RSVPs and communicate with guests instantly


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