This time between the ages of two and five when they are reaching for independence repeats itself during adolescence. This age is sometimes referred to as ‘the terrible twos’, because of the temper tantrums for which they are famous. The toddler is discovering that they are a separate being from their mother or caregiver and are testing their boundaries in learning the way the world around them works. This stage can begin as early as nine months old depending on the child and environment. Thus it is very important for the caregiver to be consistent with boundaries and discipline for the child’s safety and the caregiver’s sanity through puberty

When toddlers can walk they are still often transported in a buggy, or stroller, when they are tired, or to increase speed

Around 18 months, the toddler’s vocabulary will greatly increase, and he or she may learn as many as 7-9 new words a day

Even close siblings can vary greatly in the time taken to achieve each key milestone. The toddler developmental timeline shows what an average toddler can do at what age. Times vary greatly from child to child. It is common for some toddlers to master certain skills well before other skills

In most Western countries, toilet training starts as early as 17 months for some while others are not ready to begin toilet training until they are three. Most children are toilet trained while they are toddlers

The term cruising is used for toddlers who cannot toddle but must hold onto something while walking. During this period, the child learns a great deal about social roles and develops motor skills; to toddle is to walk unsteadily. Toddler is a common term for a young child who is learning to walk or “toddle” , generally considered to be the second stage of development after infancy and before childhood occurring predominantly during the ages of 12 to 36 months old