Unknown artist. Gift 18: Peas work (kindergarten material based on the educational theories of Friedrich Froebel). c. 1880–1900

Via Froebel Gifts and the Principles of Design at the MOMA in 2017
https://www.moma.org/calendar/events/3134

Parquetry blocks produced by Milton Bradley, ca. 1890

Nicholas Gaskill on the the history of pedagogical exercises designed to enhance 'colour-sense' in the US.

https://www.cabinetmagazine.org/issues/61/gaskill.php

I’d love to see your are.na board, Paul. You should make one! 💓

Artist/Writer /the-library /geoblocks ✷ https://linktr.ee/paulprudence ✷ Live: ISO/IEC 10646 ⟶  https://verse.works/series/iso-iec-10646-by-paul-prudence

Art and code since 1994. https://linktr.ee/mariuswatz

yes, that's an idea, need to unearth myself from the material first though.