Khuong Nguyen

Ph.D, M.Phil, B.Sc

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Mechanical Puzzles

Over 3,000 puzzles in my collection since 2013. Click on each photo for more information.

  • Updated (4/10/2025 +87 puzzles)
  • Personal Collection Database.

Haubrich Puzzle Auctions

  • Haubrich Puzzle Auctions Database.
  • The history.

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    Metal

    (620 puzzles)
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    Wood

    (1,290 puzzles)
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    Glass

    (135 puzzles)
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    Misc

    (184 puzzles)
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    Plastic

    (694 puzzles)
Some puzzle sets:
  • Roger D (complete).
  • Gary Foshee.
  • Akio Kamei.
  • Iwahiro.
  • Frank Chambers.
  • Simon Nightingale.
  • Stephen Chin.
  • Sandfields (complete).
  • Goh Pit Khiam.
  • Volker Latussek.
  • Vesa Timonen.
  • Kyoko Hoshino.
  • Hideto Satou, Atsushi Katagiri.
  • Koichi Miura.
  • Kohno Ichiro.
  • Hajime Katsumoto, Yasuhiro Hashimoto.
  • Edi Nagata (complete).
  • Toshitaka Nabata (complete).
  • Robrecht Louage.
  • Lambert Bright.
  • Marcel Gillen.
  • William Strijbos (Metal) (Glass).
  • Toyo Glass.
  • Puzzle & Trick Pens.