Huzzle Cast Coil brain teaser The puzzles of Huzzle give challenging problems that you have to solve through original ideas and logic. Use your brain and hands to get the puzzle in and out of each other, a simple concept that gives a lot of puzzle fun! the Huzzle puzzles have a degree of difficulty between 'Fun' and 'Grand Master'. This allows anyone to build a challenging collection of puzzles for his / her own skills. Specifications: Color: silver / gold Material: steel Gender: junior, unisex Difficulty: hard Package dimensions: 7.5 x 4.5 x 11.8 cm (L x W x H) Suitable for children from 8 years