Pizza Pi enamel lapel pin

Pi-rate art print

A Mote of Dust enamel lapel pin

Stars enamel lapel pin set

Earth and stars enamel lapel pin set

Pi Girls button set

Pi-ed Piper art print

Yippi! An irrationally fun dice game

Cutie Pi enamel lapel pin

International Spi art print

Airplane Pi-lot art print

Pumpkin Pi enamel lapel pin

Cutie Pi art print

That's Home enamel lapel pin