You might enjoy https://graphicallinearalgebra.net/. The author uses Legos to de...

		darkkindness on May 7, 2018 \| parent \| context \| favorite \| on: Conversations with a six-year-old on functional pr... You might enjoy https://graphicallinearalgebra.net/. The author uses Legos to describe algebras and diagrams to describe symmetric monoidal categories.

Thanks for this!