Valentine's Day delivery in U.S. -- order by Feb 7 first class or Feb 8 priority

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Pi Necklace

Simple, elegant, and smart...this pi necklace is mathematically proven to be the perfect accessory for every occasion. It features your choice of a gold or silver colored steel pendant hanging from an 18 inch gold plated or sterling silver chain. The pendant measures about 2/3 inch and will never tarnish.

Perfect for:

  • Mathematicians or math aficionados
  • Engineers
  • Architects
  • Rational and irrational people alike
  • Anyone cool enough to celebrate Pi Day