unknown

Red Square Interlocking Box (B)
Red Square Interlocking Box (B)

Interlocking / Wood

Designer: Y Gong Yong Ming
Maker: unknown
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Reframe
Reframe

Interlocking / Wood

Designer: Kohfuh Satoh
Maker: unknown
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Refrigerator Puzzle Box
Refrigerator Puzzle Box

Puzzle Box / PLA

Designer: unknown
Maker: unknown
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Retro TV - Puzzle Cube
Retro TV - Puzzle Cube

Sequential Discovery / PLA

Designer: unknown
Maker: unknown
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Rhombic Dodecahedron
Rhombic Dodecahedron

Assembly / Wood

Designer: unknown
Maker: unknown
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RIBlet
RIBlet

Unknown

Designer: Andrew Crowell
Maker: unknown
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RIP
RIP

Unknown

Designer: Andrew Crowell
Maker: unknown
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RIPcord
RIPcord

Unknown

Designer: Andrew Crowell
Maker: unknown
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Romanian Book Box
Romanian Book Box

Puzzle Box / Wood

Designer: unknown
Maker: unknown
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Rotothorpe #2
Rotothorpe #2

Unknown

Designer: Andrew Crowell
Maker: unknown
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Rotothorpe #3
Rotothorpe #3

Unknown

Designer: Andrew Crowell
Maker: unknown
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S'Mores 3D Puzzle
S'Mores 3D Puzzle

Assembly / Plastic

Designer: unknown
Maker: unknown
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S/M 24
S/M 24

Interlocking / Wood

Designer: Bill Cutler
Maker: unknown
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Safe - free the Euro from the multi level maze
Safe - free the Euro from the multi level maze

Maze

Designer: unknown
Maker: unknown
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Sandfield's Secret Folding Hankie
Sandfield's Secret Folding Hankie

Folding

Designer: Robert Sandfield
Maker: unknown
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Secret Box (Gears)
Secret Box (Gears)

Puzzle Box / PLA

Designer: unknown
Maker: unknown
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Secret House #2
Secret House #2

Puzzle Box / Wood

Designer: unknown
Maker: unknown
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Secret Opening Box
Secret Opening Box

Puzzle Box / Wood

Designer: unknown
Maker: unknown
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Sensi Box (3D printed)
Sensi Box (3D printed)

N-ary / Wood

Designer: Alfons Eyckmans
Maker: unknown
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Seven Horseshoes
Seven Horseshoes

Dexterity / Brass

Designer: unknown
Maker: unknown
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Seven Spiders
Seven Spiders

2D Packing / Plastic

Designer: Theo Geerinck
Maker: unknown
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Ship in a bottle JCC
Ship in a bottle JCC

2D Packing / Wood

Designer: Jean Claude Constantin
Maker: unknown
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Six Boards Burr #1
Six Boards Burr #1

Burr / Wood

Designer: Junichi Yananose (Juno)
Maker: unknown
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Skeleton Key Gold
Skeleton Key Gold

Unknown

Designer: Andrew Crowell
Maker: unknown
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