Face the challenge! Test your patience, your abilities, your skill, your sharpness, and above all, engage your brain. Take it apart and put it back together. It looks simple, but is it really that easy? This metal puzzle is designed for beginners. On a difficulty scale of one to five, it has a rating of two. Fun with the puzzle develops your concentration, fine motor skills, logical thinking, and hand-eye coordination. For children aged 7 and up.