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Wooden combination lock

Master crafter Matthias Wandel (famous for his homebrew pipe organ) made this clever wooden combination lock to demonstrate how combination locks actually work.

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Combination locks from TES Link: https://www.tes.com/teaching-resource/combination-locks-maths-problem-solving-6168118

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How To: Crack Any Master Combination Lock in 8 Tries or Less Using This Calculator

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How to Unlock a Combination Lock Without Knowing the Combination

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Antique combination lock -- this could be another adaptation if the Rubik's proves too difficult to build. I could build this hollow cylinder with the Hindi numerals and put a light inside of it --- numerals and their shifting component parts would illuminate a surface. Could make a nice lamp as well

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