Challenge your mind dexterity & patience with this fantastic Hanayama vortex brain teaser! the solid cast metal three-dimensional puzzle comes with three spiral pieces that interlock with each other Your puzzle mission is to unlock & separate the entangled loops In order to undo this complex puzzle it will be necessary to release them three-dimensionally Once you have completed the first challenge the ultimate test is to put them back together again! This Hanayama brain teaser has a 5 out of 6 level of difficulty Rating so are you ready to take on the vortex challenge? the Hanayama puzzle range has been meticulously designed & developed over more than a quarter of a century These puzzles are incredibly addictive & put all levels of puzzler to the test The Hanayama puzzles make a great gift for teenagers & adults especially those who thrive on the mystery collectability & the endless challenge that these brain teasers provide For all puzzlers age 12 years & over