Pocket Pi Retractable Novelty Tape Measure – 400+ Digits of Pi, for Math Lovers, Arithmetic Students, Mathletics, by NumbersAlive!
Pocket Pi is an award-winning, unique tape measure with Pi's expansion on one side and cm measurements on the other. It makes a perfect gift for math geeks and math learners! Pocket Pi was recognized with a 2014 Seal of Excellence by Creative Child Magazine.
