But, under the Montessori method of thought, this is a skill you can start cultivating in your child when they are young.
A lot of adults don't think young children can concentrate, and it's true that children cannot focus on something for the same timespan as adults. But, under the Montessori method of thought, this is a skill you can start cultivating in your child when they are young. You can do this by identifying what they are interested in and setting them up with the materials and space they need to explore it more thoroughly.