Fairy Positron is now one year old!
We celebrate with 10% off of everything (exept the small flaw and pre-loved collection) and 5 smarty points per € 1 you spend in our webshop.
Valid until Sunday 23:59.
Show off your mathematical prowess with this shoulder tote that celebrates some of the great equations that changed the world. Use it to carry your TI-89, a notebook for impromptu proofs, your favorite math text and a draft of your dissertation.