Mathgeek Pins and Buttons
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Description: A smart and geeky math puzzle design calculating the square root of 4900 to highlight a milestone birthday.
Square Root Of 4900 Years Old 70th Birthday Math Nerds Tee Pin
by Art.Blade
$2.75 $3.25
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I'll stop at nothing to avoid negative numbers Pin
by Blue Boomerang Tees
$2.75 $3.25
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