Monday, November 20, 2006

Uncle Dan's Algebra

Uncle Dan's Algebra website also has a section about his Octa-Tetra creations. I have sent for the free instruction booklet on making things out of octahegrons and tetrahedrons made from paper, with only paperclips. The pictures look really cool! He recommends them for ages 10 & up due to patience and manual dexterity needed.

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