"I Spy Pi" Math Headband - Adult boy wonder stretchy cotton/spandex fabric comfortable in

stretchy cotton/spandex fabric comfortable in any season

We honor their commitment to fighting for us

dubbing your favorite songs into the perfect pop mix

Hot pink rockets blast off into space amidst curly contrails and other dainty details on this perfect headband for the sartorialist engineer aged 2+

Embroidered in soft felt on the lined bodice (no itching

"I Spy Pi" Math Headband - Adult boy wonder stretchy cotton/spandex fabric comfortable inWith this design, the delight is in the details AND the big picture. Up close, tiny mathematical symbols, diagrams, and numbers swirl around in pink and purple. But take a few steps back and a bigger picture emerges its the symbol for Pi, formed out of the negative space.