Replying to Avatar myrmepropagandist

I tried a new activity this summer. I was worried the shape toys would feel too “baby” — but combined with “build every Johnson Solid We can” (which is hard) it was just about right.

With older kids I’d withhold the images and just tell them how many of each kind of face.

I don’t have a good elementary explanation for why it’s sometimes possible to build an “invalid” solid— would love any suggestions on that. #mathematics #math

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🚲 2y ago

nostr:npub1zdp33shl69xr0uq3x8n5gsjykq9upycwh6nqm02c3f6x0frrn0dq42vqv8 Our toddler was given some of these magnet toys, and we bought a bunch more, mostly for her but also for us -- and to be honest, partly so that I finally had enough to build an icosohedron. I think they have wide age appeal, well into adulthood.

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