Magnetic icosahedron. | |||
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Magnetic icosahedron. Ed builds strange shapes out of magnets some times. Of course it's mathematically interesting to see what shapes can be built this way, and a hollow icosahedron is pretty impressive! This one is made out of high-strength neodymium-iron-boron magnets. Source: Force Field Contributor: Ed Pegg Jr Acquired: 8 April, 2004 Price: Donated Size: 2.5" Purity: <35% | |||
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