Hanayama's Vortex
This brainteaser puzzle is difficulty rating is Level 5 (1 = easiest, 6 = hardest)
The solid cast metal three-dimensional puzzle comes with three spiral pieces that interlock with each other.
1st step is to unlock and separate the entangled loops. In order to undo this complex puzzle, it will be necessary to release them three-dimensionally.
2nd step is to put them back together again Suitable for ages 12 years and over.
Hanayama cast puzzles are the world's finest brain teasers. These high-quality, cast metal puzzles come in six challenging, Mensa-rated levels of difficulty. Inventors from around the globe compete to have their designs included in the line.