Metal pin badge with number Pi 3.14 – black and gold
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Description
Some people wear their heart on their sleeve; mathematicians wear Pi on their lab coat. This metal pin badge shows a round black plaque with the golden Greek letter Pi — the ratio of a circle's circumference to its diameter — sitting right in the centre of a circle, with its value spelled out around the outside. Perfect for mathematicians, physicists and anyone who enjoys a good numerical challenge. The rubber cap on the pin grips the fabric beautifully, so it stays put on clothing, an apron or a bag.
- Size: 30 mm
- Material: metal
- Colour: multicoloured
- High quality and plenty of detail despite the small size
- Pin badge – brooch – clothing decoration
- A brilliant little gift for maths teachers and Pi Day fans
- New product
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