Test your skills with the Hanayama Key Master Brain Teaser, a Level 6 puzzle crafted from premium metal cast pieces. Known for their high-quality finish and innovative designs, Hanayama's puzzles challenge even the most experienced solvers. Your first task: take the puzzle apart. Then, the real challenge begins - putting it back together!
Perfect for ages 12 and up, this Mensa-rated brainteaser promises hours of stimulating entertainment. Whether you're a puzzle enthusiast or simply seeking a mental challenge, the Key Master puzzle offers both a test of skill and a collectible piece of craftsmanship.