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Hanayama's Reef puzzle is a high quality cast metal brain teaser from puzzle 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 3 puzzles are considered moderate by most puzzlers
BePuzzled Reef Hanayama Cast Metal Brain Teaser Puzzle Level 3 Puzzles For Kids & Adults Ages 12 & Up