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A close up of an abacuse on a blue surface. Abacus colours toy.
Summary
Visual patterns: A row of wooden abacus with red, green and yellow balls / A row of wooden beads with red, green, and yellow beads - public domain stock photo.
Date
2016
Source
pixabay.com
Copyright info
This image is from Pixabay and was published prior to July 2017 under the Creative Commons CC0 1.0 Universal Public Domain Dedication license https://web.archive.org/web/20161229043156/https://pixabay.com/en/service/terms/ . In July 2017, Pixabay switched the old sitewide license for all uploads from Creative Commons CC0 to a custom license arrangement that does not meet the Creative Commons CC0 1.0 Universal Public Domain Dedication license terms.
