Tinkering to innovation: How children refine tools over multiple attempts.

The human capacity for technological innovation and creative problem-solving far surpasses that of any species but develops quite late. Prior work has typically presented children with problems requiring a single solution, a limited number of resources, and a limited amount of time. Such tasks do not allow children to utilize one of their strengths: their ability to engage in broad search and exploration. Thus, we hypothesized that a more open-ended innovation task might allow children to demonstrate greater innovative capacity by allowing them to discover and refine a solution over multiple attempts. Children were recruited from a museum and a children's science event in the United Kingdom. We presented 129 children (66 girls,