A toddler's a young child who's of the age of learning to walk. between infancy and childhood. Toddling usually begins between age 12 and 24 months. During the toddler stage, the child also learns a great deal about social roles, develops motor skills, and first starts to use language. Walking To toddle's to walk unsteadily; the term cruising's sometimes used for toddlers who can't toddle but must hold onto something while walking. On average, a child begins walking between 9 and 14 months of a… (More on Toddlers)