Abacus Necklace Style:24 inch steel chain According to the narrative

According to the narrative

pick your favorite

Anyone worried about climate change

Anyone with an appreciation for science and biology

Professors and teachers of all kinds

Abacus Necklace Style:24 inch steel chain According to the narrativeThe earliest abacus dates to 2700 BC when it was used in Mesopotamia to calculate the Sumarian sexagesimal number system. Over the millennia, it was used in various forms by the Egyptians, Persians, Greeks, Chinese, Romans, and many other civilizations. It is still used today as a teaching aid in many preschools and elementary schools. This abacus pendant (with moving steel beads!) represents both a love of mathematics and an important piece of math