In the summer of 1997, I saw two mackerels that had somehow managed to get into the sardine tank at the aquarium. Watching these two fish unable to blend in with the shoal of sardines made me wonder if they were on a journey...

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In the summer of 1997, I saw two mackerels that had somehow managed to get into the sardine tank at the aquarium. Watching these two fish unable to blend in with the shoal of sardines made me wonder if they were on a journey of self-discovery. What sort of adventure will they have? Imagining this led to the conception of six cast puzzles based on oceanographic subjects. Subject: Sharks A shark playing with a fossilized shark. Once you have helped it escape, put it back again. - Yamamoto 2008.

  • Hanayama's shark puzzle is a high quality cast metal brain teaser from inventor Akio Yamamoto
  • Discover how to separate these two interlocking pieces and then try to reassemble them!
  • Hanayama cast metal brain teasers have 6 levels of difficulty and each puzzle is mensa-rated
  • Level 1 puzzles are considered easy by most puzzlers
  • Age Mfg Minimum: 144 Months

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