Value of Pi Coaster Set - Ceramic Round Tile 4 Piece Set - Caddy Included


This unique set of coasters bears a spiraling representation of everyone's favorite irrational number, accurate to enough places to calculate missile trajectories. These would look perfect in your scientifically-themed office or game room, and are a perfect gift for your favorite math student or teacher. They're made from absorbent sandstone, and the image is printed permanently printed on the tile - it won't run or fade.

Technicam notitia (the technical bits)

  • Coasters measure 4 in  x 1/4 in 
  • Ceramic tile with matte sandstone finish
  • Cork bottom prevents scratches
  • Permanent images will not fade or run
  • Wood caddy box included

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