Bram Cohen (bramcohen) wrote,
Bram Cohen
bramcohen

Dual Rings is on the market



This is my 'Dual Rings' puzzle, the result of a bizarre collaboration between myself and Oskar where I came up with a completely abstract puzzle and he came up with an unexpected mechanism for it. It's going on the market produced by Hanayama now, and there are a few copies you can buy immediately (see video info for details).
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