Some people know those as cuisenaire rods. http://www.amazon.co.uk/gp/aw/d/B0007... | Hacker News

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DanBC on Oct 18, 2015 | parent | context | favorite | on: Metamorphosis and Millimeters

Some people know those as cuisenaire rods. http://www.amazon.co.uk/gp/aw/d/B00074U7SO/

https://en.wikipedia.org/wiki/Cuisenaire_rods

They're brilliant, but go careful with some of the work books that are available. ("Blue + red = ?" cause confusion.)

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