Individuals caring for infants and toddlers have an awesome responsibility. We know from research that the first three years of life form the basis for later growth and development. So, what does an infant and toddler curriculum that stimulates babies’ brains and maximize learning look like? The components of a quality infant and toddler program are many. This article will attempt to identify the major components, explain infant and toddler milestones, and provide suggestions for implementing developmentally appropriate practice.