Hiroyuki Oka

Shown below are some of Hiroyuki Oka’s past works.
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Secret Star Japanese Puzzle Box by Hiroyuki Oka

Secret Star Japanese Puzzle Box by Hiroyuki Oka

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A Slight Drawer Japanese Puzzle Box by Hiroyuki Oka

A Slight Drawer Japanese Puzzle Box by Hiroyuki Oka

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Memo Pad Japanese Puzzle Box by Hiroyuki Oka

Memo Pad Japanese Puzzle Box by Hiroyuki Oka

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5 Sun 10 Steps Natural Wood & 4 Sun 6 Steps Hexagon Natural Wood Nested Japanese Puzzle Box

5 Sun 10 Steps Natural Wood & 4 Sun 6 Steps Hexagon Natural Wood Nested Japanese Puzzle Box

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7 Sun 78 Step Yosegi/Natural Wood Japanese Puzzle Box By Mr. Oka2

7 Sun 78 Step Yosegi/Natural Wood Japanese Puzzle Box By Mr. Oka

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5 Sun 21 Step Yosegi Japanese Secret Puzzle Box

5 Sun 21 Step Yosegi Japanese Secret Puzzle Box

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5 Sun 36 Step Yosegi Japanese Puzzle Box

5 Sun 36 Step Yosegi Japanese Puzzle Box

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4 Sun 18 Step Yosegi Japanese Puzzle Box

4 Sun 18 Step Yosegi Japanese Puzzle Box

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5 Sun 7 Two-Toned Walnut Japanese Secret Puzzle Box

5 Sun 7 Two-Toned Walnut Japanese Secret Puzzle Box

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4 Sun 10 Step Yosegi/Walnut Japanese Puzzle Box

4 Sun 10 Step Yosegi/Walnut Japanese Puzzle Box