BePuzzled Keyhole Hanayama Cast Metal Brain Teaser Puzzle (Level 4) Puzzles For Kids & Adults Ages 12 & Up
*Hanayamas keyhole puzzle is a high quality cast metal brain teaser
*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 4 puzzles are considered challenging by most puzzlers
Hanayama cast puzzles are the world's finest brain teasers. The keyhole is a high-quality, cast metal puzzle that is mensa-level rated difficulty. The theme is "groove" Which was devised by Finnish VESA timonen.
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