Hiroyuki Oka

3 Sun 18 Step Yosegi Japanese Puzzle Box

3 Sun 18 Step Yosegi Japanese Puzzle Box

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: unknown

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4 Sun 4 Step Ichimatsu Puzzle Box

4 Sun 4 Step Ichimatsu Puzzle Box

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

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Solved

A Slight Drawer

A Slight Drawer

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

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BENTO (Packed Lunch)

BENTO (Packed Lunch)

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

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Double Puzzle Box

Double Puzzle Box

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

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Hexagon

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

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Japanese Puzzle Box Maze 7 steps

Japanese Puzzle Box Maze 7 steps

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

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Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

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Solved

Mame 18 Step Yosegi Japanese Puzzle Box

Mame 18 Step Yosegi Japanese Puzzle Box

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: unknown

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Solved

Memo Pad

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

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The Honeybee Box

The Honeybee Box

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

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Solved