Challenge your problem-solving skills with ''O'Gear,'' a cast metal puzzle from Hanayama of Japan. This beautiful puzzle features a gear that seems to be perched atop an open box. But appearances are deceiving. This puzzle will challenge your dexterity and your mind. Once you've discovered the secret and separated the pieces, how long will it take you to reassemble the puzzle? Makes a great gift or party game - just make sure you order one for yourself. We've included the solution along with your puzzle just in case you find yourself stumped. Difficulty Level 3 is considered moderately difficult by most puzzlers. Suitable for ages 12 and up.