Coaster PI

  • €5.90

The coaster PI is perfect to hold your hot cup of tea or cocoa in the winter or your glass of cold lemonade in the summer. The coaster has the first 25 digits of the number Pi engraved which is perfect for all those who's heart skips a beat by the mention of mathematics out of joy and not out of fear.

This coaster is made of wood and about 10 cm (or 4 inches) in diameter.