Pi bone china mugwake up and smell the coffee or is that pi we smell this handy mug is the perfect gift for any mathematician what better gift for a teacher who helped you through the muddle that is mathsthis brightly coloured mug is printed with a large pi symbol pis definition and pi to 527 digitsthe pi bone china mug will make a lovely present for someone interested in maths and mathematical formulasproduct detailssize amp volumeheight 85cm 325 inches dia 8cm holds ar