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

Start a discussion

4 Sun 4 Step Ichimatsu Puzzle Box

4 Sun 4 Step Ichimatsu Puzzle Box

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

Start a discussion

Solved

A Slight Drawer

A Slight Drawer

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

Start a discussion

BENTO (Packed Lunch)

BENTO (Packed Lunch)

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

Start a discussion

Double Puzzle Box

Double Puzzle Box

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

Start a discussion

Hexagon

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

Start a discussion

Japanese Puzzle Box Maze 7 steps

Japanese Puzzle Box Maze 7 steps

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

Start a discussion

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

Start a discussion

Solved

Mame 18 Step Yosegi Japanese Puzzle Box

Mame 18 Step Yosegi Japanese Puzzle Box

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: unknown

Start a discussion

Solved

Memo Pad

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

Start a discussion

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: Karakuri Creation Group (KCG)

Start a discussion

The Honeybee Box

The Honeybee Box

Puzzle Box / Wood

Designer: Hiroyuki Oka

Maker: Hiroyuki Oka

Start a discussion

Solved