Hanayama cast puzzles are the world's finest brain teasers! Dive into the challenge of taking the pieces apart and putting them back together. • 6 Levels of Difficulty: Catering to all skill levels. • Mensa-Rated: Guaranteed to test your wits. • Highly Challenging: Level 6 puzzles will truly stump most puzzlers. These brain teasers are a must-have for puzzle enthusiasts looking for a real mental workout. Solve puzzles, boost your brainpower, and have a blast!

Use it anywhere you want to challenge your mind! Perfect for puzzle lovers of all ages. There are no specific technical specs like size or weight mentioned for this product.