Pi Keychain, Math Symbol

Pi Keychain, Math Symbol

$4.99
$4.99
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Pi Keychain, Math Symbol
  • Pi Keychain, Math Symbol
  • Pi Keychain, Math Symbol
  • Pi Keychain, Math Symbol
  • Pi Keychain, Math Symbol
Pi Keychain, Math Symbol

Pi Keychain, Math Symbol

$4.99
$4.99
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Pi Keychain. They also make great earrings. 

Pi Day is March 14 (3.14). Pi is the ratio of a circle's circumference to its diameter in Euclidean geometry. 

 

Design by Amanda Roos on MakerWorld (license: CC0).

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