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Codes and Riddles

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Discover how to open the safe and learn what is mathematical induction!

$12.95 $19.95

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This original set demystifies the magic of some codes and devices with builds that allow to manipulate their secrets and understand them.

Learn how a safe and combination lock work, outsmart the Tower of Hanoi, a fascinating set for the curious mind.

SKU: FUN-094 Categories: ,

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