High-Quality Cast Iron Cylinder for Industrial & Automotive Applications - Durable Engine Parts for Heavy-Duty Machinery & Equipment

Cast Cylinder Metal Puzzle from Hanayama of Japan is a delightful and tricky brain teaser puzzle. It consists of two rings hold three similar-shaped center pieces. All come together as a compact cylinder shaped puzzle. This is a really fascinating disentanglement brainteaser. You may find yourself totally immersed into how best remove the inner gold piece. Separation of the pieces is a real test of positioning and planning. Recommended for ages 12 to 105 years. A few bright 7 to 11 year olds may also enjoy, provided they are aware that forcing the puzzle could destroy it. Rated by the manufacturer as a level 3 difficulty (on a scale of 1 to 6; where 6 is the most challenging.)