DescriptionUnlock the challenge of the Cast Keyhole metal puzzle from Hanayama Huzzle. This intricate 3D puzzle is crafted from high quality metal and features a unique keyhole design that will put your problem solving skills to the test. At first glance, the two pieces have simple angles cut into their flat surfaces, like the edge of a key. However, when the two pieces intertwine, they look more like a 3D maze. The objective is to separate the two pieces of the Cast Keyhole and then to reassemble it into its original state.Designer:Vesa TimonenAdditional Information:Perfect for metal puzzle and brain teaser enthusiastsSleek and modern appearanceHigh-quality metalChallenging mechanical puzzle Difficulty level: Challenging – 4/6Puzzle Dimensions (in):2.72 x 1.77 x 1.02Puzzle Box Dimensions (in):3 x 4.75 x 1.75Age:Adults/All AgesWarning – Choking Hazard:Small parts. Not for children under 3 years of age.

