A three-year-old child in Idaho set off alone on foot to visit their grandmother's house, walking more than half a mile without a parent's knowledge or permission. The incident highlights how quickly young children can slip away unnoticed and the risks involved when a toddler decides to strike out on their own, prompting renewed attention to child safety and supervision.

Beyond the headline detail that the walk exceeded half a mile, the article as retrieved does not provide further specifics such as the exact route taken, how long the child was missing, or how the situation was ultimately resolved. The report originates from the Daily Mail's Idaho coverage, though full details of the event were not available in the source text.