VORTEX is a level 5 cast metal brain teaser puzzle. Objective: completely separate all 3 pieces and then rejoin. Assembled the puzzle has a gorgeous swirl shape (similar to a mobius band) . The designer, Akio Yamamoto, hint on solving the puzzle is to think "crest"
This brain teaser is a great challenge for anyone who enjoys mechanical style take-apart challenges. Recommended for ages 12 to 105 years. Some bright 8 to 11 years olds may also find this a fascinating challenge. The solution requires clever movements. NO force is ever required. Some may solve initially but not know (remember) exactly how the pieces came apart. Re-assembly is also a fun challenge.
Rated by the manufacturer as a level 5 difficulty (on a scale of 1 to 6 where 6 is the most challenging). Your experience could differ. Measure slightly under 2 inches across.
VORTEX is one of 45 different cast metal, pocket-size puzzles produced by the Hanayama Puzzle Company of Japan.