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Geometric Circuit Board Art Book – Volume One

Original price was: $44.99.Current price is: $29.99.

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200 puzzles! Circuit Board Square is a logic-based number-placement puzzle. The objective is to fill in the 3×3 grid with all of the digits from 1 to 9. The sums from each of the paths are determined by the values in the squares connected to those paths.

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Alexander Shen

Paperback

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