Toddler care: A guide to parenting toddlers Definition of a toddler: Who is a toddler? What age kids are categorised in the toddler group? A toddler is a kid in the age group of 1-3 years.  It is a period of advanced growth and development of the baby during which the social, cognitive and emotional components are more involved as the baby learns to express itself.   Toddler period is the most crucial period in a kid's growth and developmental phase.  More than this, it becomes a tough job for the parents to handle the toddlers as they are now moving, crawling or walking and it is necessary to keep an eye on them to avoid any accidental injuries or mishaps.  Before we dive into the real topic of parenting, let us have a rapid look on the outline of growth and developmental milestones of a toddler: Growth and developmental milestones of a toddler A toddler is a kid who has learnt by the time of 12 months to sit and crawl and walk with support, or even without sup...