A challenging puzzle made from metal cast pieces. You'll spend hours trying to solve the intense challenging puzzle. Can you take it apart? Now try and put it back together! 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. Use: Indoor Base Material: 100% Metal Country of Origin: Imported