Qtoys | Montessori Nine Pole PuzzleThis beautifully crafted 9 pole puzzle teaches size perception as well as promoting concentration, perseverance, hand eye coordination and spatial awareness, which leads to the development of problem solving skills. Puzzles speak to children's need for order, are self correcting and promote logical thinking skills. Having only one shape to focus on leaves the child free to focus on the task at hand (in this case size differentiation). Ethically