BPZ LEVEL 5 HELIX HANAYAMA
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. Taking them apart is only half the fun, see if you can also get them back together! Hanayama puzzles are recommended for ages 12 and up.