Description: Who needs luck when you have logic? A bold, gritty text design for the serious mathematician. Perfect funny gift for engineers, physics teachers, and math geeks who rely on calculations, not four-leaf clovers.
$20.20
Description: Groovy math vibes. Jump on the "Era" trend with this retro wavy text design. A trendy gift for female math teachers and students who love the 70s aesthetic and celebrating Pi Day.
$20.20
Description: Double the celebration! Combining the luck of the Irish with the logic of math. A funny crossover gift for math teachers who want to celebrate both Pi Day and St. Patrick's Day in one week.
$20.20
Description: Old school cool for the classroom. This vintage-inspired sunset design brings a classic vibe to March 14th. A great retro gift for algebra teachers, math students, and vintage style lovers celebrating Pi Day.
$20.20
Description: Be a "Cutie Pi" this March! This adorable kawaii kitten design is perfect for math students, kids, and anyone who loves anime and algebra. A sweet addition to your Pi Day wardrobe.
$20.20
Description: A refreshing take on Pi Day 2026! This design features the Pi symbol made of glossy bubbles and fresh lime fruit, mixing mathematical geek core with the nostalgic mid-2000s Frutiger Aero aesthetic.
$20.20